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157254564 = 22319689713
BaseRepresentation
bin10010101111110…
…00001110100100
3101221220100201010
421113320032210
5310224121224
623334302220
73616433055
oct1127701644
9357810633
10157254564
1180847755
12447b7970
132676bc4c
1416c5672c
15dc13e29
hex95f83a4

157254564 has 24 divisors (see below), whose sum is σ = 386239840. Its totient is φ = 49659264.

The previous prime is 157254547. The next prime is 157254577. The reversal of 157254564 is 465452751.

157254564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 344629 + ... + 345084.

Almost surely, 2157254564 is an apocalyptic number.

It is an amenable number.

157254564 is an abundant number, since it is smaller than the sum of its proper divisors (228985276).

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

157254564 is a wasteful number, since it uses less digits than its factorization.

157254564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689739 (or 689737 counting only the distinct ones).

The product of its digits is 168000, while the sum is 39.

The square root of 157254564 is about 12540.1181812613. The cubic root of 157254564 is about 539.7604836276.

The spelling of 157254564 in words is "one hundred fifty-seven million, two hundred fifty-four thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 689713 1379426 2069139 2758852 4138278 8276556 13104547 26209094 39313641 52418188 78627282 157254564