[go: up one dir, main page]

Search a number
-
+
133700520 = 233531127283
BaseRepresentation
bin1111111100000…
…01101110101000
3100022120200122010
413332001232220
5233211404040
621133355520
73212302302
oct776015650
9308520563
10133700520
116951a1a8
1238938ba0
1321912c45
1413a84972
15bb0ee80
hex7f81ba8

133700520 has 128 divisors (see below), whose sum is σ = 418775040. Its totient is φ = 34110720.

The previous prime is 133700513. The next prime is 133700533. The reversal of 133700520 is 25007331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472299 + ... + 472581.

It is an arithmetic number, because the mean of its divisors is an integer number (3271680).

Almost surely, 2133700520 is an apocalyptic number.

133700520 is a gapful number since it is divisible by the number (10) 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 133700520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209387520).

133700520 is an abundant number, since it is smaller than the sum of its proper divisors (285074520).

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

133700520 is a wasteful number, since it uses less digits than its factorization.

133700520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 133700520 is about 11562.8941013917. The cubic root of 133700520 is about 511.3414894364.

Adding to 133700520 its reverse (25007331), we get a palindrome (158707851).

The spelling of 133700520 in words is "one hundred thirty-three million, seven hundred thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 127 155 186 248 254 283 310 372 381 465 508 566 620 635 744 762 849 930 1016 1132 1240 1270 1415 1524 1698 1860 1905 2264 2540 2830 3048 3396 3720 3810 3937 4245 5080 5660 6792 7620 7874 8490 8773 11320 11811 15240 15748 16980 17546 19685 23622 26319 31496 33960 35092 35941 39370 43865 47244 52638 59055 70184 71882 78740 87730 94488 105276 107823 118110 131595 143764 157480 175460 179705 210552 215646 236220 263190 287528 350920 359410 431292 472440 526380 539115 718820 862584 1052760 1078230 1114171 1437640 2156460 2228342 3342513 4312920 4456684 5570855 6685026 8913368 11141710 13370052 16712565 22283420 26740104 33425130 44566840 66850260 133700520