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157873090 = 2519830911
BaseRepresentation
bin10010110100011…
…11001111000010
3102000001210011111
421122033033002
5310403414330
623355433534
73624620254
oct1132171702
9360053144
10157873090
118112a431
1244a558aa
132692763b
1416d77cd4
15dcd732a
hex968f3c2

157873090 has 16 divisors (see below), whose sum is σ = 299128320. Its totient is φ = 59825520.

The previous prime is 157873069. The next prime is 157873097. The reversal of 157873090 is 90378751.

157873090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1578730902 = 49847825092296200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157873097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415266 + ... + 415645.

It is an arithmetic number, because the mean of its divisors is an integer number (18695520).

Almost surely, 2157873090 is an apocalyptic number.

157873090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157873090 is a deficient number, since it is larger than the sum of its proper divisors (141255230).

157873090 is a wasteful number, since it uses less digits than its factorization.

157873090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830937.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 157873090 is about 12564.7558671070. The cubic root of 157873090 is about 540.4672339275.

The spelling of 157873090 in words is "one hundred fifty-seven million, eight hundred seventy-three thousand, ninety".

Divisors: 1 2 5 10 19 38 95 190 830911 1661822 4154555 8309110 15787309 31574618 78936545 157873090