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157303938 = 23112383393
BaseRepresentation
bin10010110000001…
…00010010000010
3101221222212102210
421120010102002
5310232211223
623335322550
73620030031
oct1130042202
9357885383
10157303938
1180880860
1244820456
132678856c
1416c6a718
15dc23893
hex9604482

157303938 has 16 divisors (see below), whose sum is σ = 343208736. Its totient is φ = 47667840.

The previous prime is 157303903. The next prime is 157303957. The reversal of 157303938 is 839303751.

It is a junction number, because it is equal to n+sod(n) for n = 157303896 and 157303905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191631 + ... + 1191762.

It is an arithmetic number, because the mean of its divisors is an integer number (21450546).

Almost surely, 2157303938 is an apocalyptic number.

157303938 is an abundant number, since it is smaller than the sum of its proper divisors (185904798).

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

157303938 is a wasteful number, since it uses less digits than its factorization.

157303938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383409.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 157303938 is about 12542.0866684934. The cubic root of 157303938 is about 539.8169681471.

The spelling of 157303938 in words is "one hundred fifty-seven million, three hundred three thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 2383393 4766786 7150179 14300358 26217323 52434646 78651969 157303938