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155872892 = 22710752027
BaseRepresentation
bin10010100101001…
…10111001111100
3101212022011102002
421102212321330
5304400413032
623244521432
73601616630
oct1122467174
9355264362
10155872892
117aa9367a
1244250278
13263a70a6
14169b6dc0
15da3e862
hex94a6e7c

155872892 has 24 divisors (see below), whose sum is σ = 314665344. Its totient is φ = 66177072.

The previous prime is 155872891. The next prime is 155872931. The reversal of 155872892 is 298278551.

155872892 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155872891) 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, 23018 + ... + 29009.

It is an arithmetic number, because the mean of its divisors is an integer number (13111056).

Almost surely, 2155872892 is an apocalyptic number.

It is an amenable number.

155872892 is an abundant number, since it is smaller than the sum of its proper divisors (158792452).

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

155872892 is a wasteful number, since it uses less digits than its factorization.

155872892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52145 (or 52143 counting only the distinct ones).

The product of its digits is 403200, while the sum is 47.

The square root of 155872892 is about 12484.9065675319. The cubic root of 155872892 is about 538.1750143468.

The spelling of 155872892 in words is "one hundred fifty-five million, eight hundred seventy-two thousand, eight hundred ninety-two".

Divisors: 1 2 4 7 14 28 107 214 428 749 1498 2996 52027 104054 208108 364189 728378 1456756 5566889 11133778 22267556 38968223 77936446 155872892