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68452200 = 233252172237
BaseRepresentation
bin1000001010001…
…11111101101000
311202210201202200
410011013331220
5120010432300
610443100200
71460556045
oct405077550
9152721680
1068452200
1135704173
121ab11660
131124917b
14913c1cc
156022200
hex4147f68

68452200 has 144 divisors (see below), whose sum is σ = 243516780. Its totient is φ = 17172480.

The previous prime is 68452199. The next prime is 68452201. The reversal of 68452200 is 225486.

68452200 is a `hidden beast` number, since 6 + 8 + 452 + 200 = 666.

It is an interprime number because it is at equal distance from previous prime (68452199) and next prime (68452201).

It can be written as a sum of positive squares in 6 ways, for example, as 45239076 + 23213124 = 6726^2 + 4818^2 .

It is not an unprimeable number, because it can be changed into a prime (68452201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29482 + ... + 31718.

Almost surely, 268452200 is an apocalyptic number.

68452200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68452200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121758390).

68452200 is an abundant number, since it is smaller than the sum of its proper divisors (175064580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68452200 is a wasteful number, since it uses less digits than its factorization.

68452200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276 (or 2264 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 68452200 is about 8273.5844710742. The cubic root of 68452200 is about 409.0682788828.

Adding to 68452200 its reverse (225486), we get a palindrome (68677686).

It can be divided in two parts, 6845 and 2200, that added together give a triangular number (9045 = T134).

The spelling of 68452200 in words is "sixty-eight million, four hundred fifty-two thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 25 30 34 36 40 45 50 51 60 68 72 75 85 90 100 102 120 136 150 153 170 180 200 204 225 255 300 306 340 360 408 425 450 510 600 612 680 765 850 900 1020 1224 1275 1530 1700 1800 2040 2237 2550 3060 3400 3825 4474 5100 6120 6711 7650 8948 10200 11185 13422 15300 17896 20133 22370 26844 30600 33555 38029 40266 44740 53688 55925 67110 76058 80532 89480 100665 111850 114087 134220 152116 161064 167775 190145 201330 223700 228174 268440 304232 335550 342261 380290 402660 447400 456348 503325 570435 671100 684522 760580 805320 912696 950725 1006650 1140870 1342200 1369044 1521160 1711305 1901450 2013300 2281740 2738088 2852175 3422610 3802900 4026600 4563480 5704350 6845220 7605800 8556525 11408700 13690440 17113050 22817400 34226100 68452200