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157686696 = 23331742943
BaseRepresentation
bin10010110011000…
…01101110101000
3101222201022111000
421121201232220
5310331433241
623351435000
73623212656
oct1131415650
9358638430
10157686696
1181012392
1244985a60
132689084b
1416d29dd6
15dc9beb6
hex9661ba8

157686696 has 64 divisors (see below), whose sum is σ = 463795200. Its totient is φ = 49469184.

The previous prime is 157686691. The next prime is 157686707. The reversal of 157686696 is 696686751.

157686696 is a `hidden beast` number, since 1 + 576 + 8 + 6 + 69 + 6 = 666.

157686696 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (157686691) 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 15 ways as a sum of consecutive naturals, for example, 17800 + ... + 25143.

It is an arithmetic number, because the mean of its divisors is an integer number (7246800).

Almost surely, 2157686696 is an apocalyptic number.

It is an amenable number.

157686696 is an abundant number, since it is smaller than the sum of its proper divisors (306108504).

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

157686696 is a wasteful number, since it uses less digits than its factorization.

157686696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42975 (or 42965 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 157686696 is about 12557.3363417566. The cubic root of 157686696 is about 540.2544479865.

The spelling of 157686696 in words is "one hundred fifty-seven million, six hundred eighty-six thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 17 18 24 27 34 36 51 54 68 72 102 108 136 153 204 216 306 408 459 612 918 1224 1836 3672 42943 85886 128829 171772 257658 343544 386487 515316 730031 772974 1030632 1159461 1460062 1545948 2190093 2318922 2920124 3091896 4380186 4637844 5840248 6570279 8760372 9275688 13140558 17520744 19710837 26281116 39421674 52562232 78843348 157686696