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255032250 = 235311191627
BaseRepresentation
bin11110011001101…
…11101110111010
3122202212222110220
433030313232322
51010242013000
641150120510
76214511154
oct1714675672
9582788426
10255032250
11120a60560
12714b0136
1340ab5075
1425c29ad4
15175ca1a0
hexf337bba

255032250 has 128 divisors (see below), whose sum is σ = 731427840. Its totient is φ = 58536000.

The previous prime is 255032233. The next prime is 255032273. The reversal of 255032250 is 52230552.

It is a self number, because there is not a number n which added to its sum of digits gives 255032250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 155937 + ... + 157563.

It is an arithmetic number, because the mean of its divisors is an integer number (5714280).

Almost surely, 2255032250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255032250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365713920).

255032250 is an abundant number, since it is smaller than the sum of its proper divisors (476395590).

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

255032250 is a wasteful number, since it uses less digits than its factorization.

255032250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677 (or 1667 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 255032250 is about 15969.7291774156. The cubic root of 255032250 is about 634.1593024513.

The spelling of 255032250 in words is "two hundred fifty-five million, thirty-two thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 11 15 19 22 25 30 33 38 50 55 57 66 75 95 110 114 125 150 165 190 209 250 275 285 330 375 418 475 550 570 627 750 825 950 1045 1254 1375 1425 1627 1650 2090 2375 2750 2850 3135 3254 4125 4750 4881 5225 6270 7125 8135 8250 9762 10450 14250 15675 16270 17897 24405 26125 30913 31350 35794 40675 48810 52250 53691 61826 78375 81350 89485 92739 107382 122025 154565 156750 178970 185478 203375 244050 268455 309130 340043 406750 447425 463695 536910 610125 680086 772825 894850 927390 1020129 1220250 1342275 1545650 1700215 2040258 2237125 2318475 2684550 3400430 3864125 4474250 4636950 5100645 6711375 7728250 8501075 10201290 11592375 13422750 17002150 23184750 25503225 42505375 51006450 85010750 127516125 255032250