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157130364 = 22317375689
BaseRepresentation
bin10010101110110…
…01111001111100
3101221200001100010
421113121321330
5310211132424
623331503220
73615405006
oct1127317174
9357601303
10157130364
1180772406
1244757b10
1326727561
1416c23376
15dbdc229
hex95d9e7c

157130364 has 24 divisors (see below), whose sum is σ = 368761680. Its totient is φ = 52073344.

The previous prime is 157130359. The next prime is 157130377. The reversal of 157130364 is 463031751.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35769 + ... + 39920.

It is an arithmetic number, because the mean of its divisors is an integer number (15365070).

Almost surely, 2157130364 is an apocalyptic number.

It is an amenable number.

157130364 is an abundant number, since it is smaller than the sum of its proper divisors (211631316).

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

157130364 is a wasteful number, since it uses less digits than its factorization.

157130364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75869 (or 75867 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 157130364 is about 12535.1650966391. The cubic root of 157130364 is about 539.6183448621.

The spelling of 157130364 in words is "one hundred fifty-seven million, one hundred thirty thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 173 346 519 692 1038 2076 75689 151378 227067 302756 454134 908268 13094197 26188394 39282591 52376788 78565182 157130364