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157913901 = 3317344039
BaseRepresentation
bin10010110100110…
…01001100101101
3102000010212011000
421122121030231
5310411221101
623400350513
73625150245
oct1132311455
9360125130
10157913901
1181158062
1244a75439
13269400a2
1416d88b25
15dce4486
hex969932d

157913901 has 16 divisors (see below), whose sum is σ = 247708800. Its totient is φ = 99082944.

The previous prime is 157913893. The next prime is 157913909. The reversal of 157913901 is 109319751.

157913901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (157913893) and next prime (157913909).

It is not a de Polignac number, because 157913901 - 23 = 157913893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157913909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171561 + ... + 172478.

It is an arithmetic number, because the mean of its divisors is an integer number (15481800).

Almost surely, 2157913901 is an apocalyptic number.

It is an amenable number.

157913901 is a deficient number, since it is larger than the sum of its proper divisors (89794899).

157913901 is a wasteful number, since it uses less digits than its factorization.

157913901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344065 (or 344059 counting only the distinct ones).

The product of its (nonzero) digits is 8505, while the sum is 36.

The square root of 157913901 is about 12566.3797889448. The cubic root of 157913901 is about 540.5138010951.

The spelling of 157913901 in words is "one hundred fifty-seven million, nine hundred thirteen thousand, nine hundred one".

Divisors: 1 3 9 17 27 51 153 459 344039 1032117 3096351 5848663 9289053 17545989 52637967 157913901