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157538836 = 22713432799
BaseRepresentation
bin10010110001111…
…01101000010100
3101222102210122201
421120331220110
5310312220321
623344334244
73622025620
oct1130755024
9358383581
10157538836
1180a21294
1244914384
132683b460
1416ccc180
15dc6d291
hex963da14

157538836 has 24 divisors (see below), whose sum is σ = 339315200. Its totient is φ = 62322912.

The previous prime is 157538833. The next prime is 157538839. The reversal of 157538836 is 638835751.

It is an interprime number because it is at equal distance from previous prime (157538833) and next prime (157538839).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157538831) 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 7 ways as a sum of consecutive naturals, for example, 216036 + ... + 216763.

Almost surely, 2157538836 is an apocalyptic number.

It is an amenable number.

157538836 is an abundant number, since it is smaller than the sum of its proper divisors (181776364).

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

157538836 is a wasteful number, since it uses less digits than its factorization.

157538836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432823 (or 432821 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The square root of 157538836 is about 12551.4475659184. The cubic root of 157538836 is about 540.0855328620.

The spelling of 157538836 in words is "one hundred fifty-seven million, five hundred thirty-eight thousand, eight hundred thirty-six".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 432799 865598 1731196 3029593 5626387 6059186 11252774 12118372 22505548 39384709 78769418 157538836