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157855532 = 22231715821
BaseRepresentation
bin10010110100010…
…10111100101100
3102000000220002012
421122022330230
5310402334112
623355220352
73624515132
oct1132127454
9360026065
10157855532
118111821a
1244a476b8
132691c653
1416d71752
15dcd2022
hex968af2c

157855532 has 12 divisors (see below), whose sum is σ = 288258096. Its totient is φ = 75496080.

The previous prime is 157855501. The next prime is 157855541. The reversal of 157855532 is 235558751.

157855532 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-3 number, since 3×1578555323 (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157855532.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857819 + ... + 858002.

It is an arithmetic number, because the mean of its divisors is an integer number (24021508).

Almost surely, 2157855532 is an apocalyptic number.

It is an amenable number.

157855532 is a deficient number, since it is larger than the sum of its proper divisors (130402564).

157855532 is a wasteful number, since it uses less digits than its factorization.

157855532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715848 (or 1715846 counting only the distinct ones).

The product of its digits is 210000, while the sum is 41.

The square root of 157855532 is about 12564.0571472753. The cubic root of 157855532 is about 540.4471969989.

The spelling of 157855532 in words is "one hundred fifty-seven million, eight hundred fifty-five thousand, five hundred thirty-two".

Divisors: 1 2 4 23 46 92 1715821 3431642 6863284 39463883 78927766 157855532