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155804952 = 2336491873
BaseRepresentation
bin10010100100101…
…10010100011000
3101212011201012210
421102112110120
5304341224302
623243235120
73601214562
oct1122262430
9355151183
10155804952
117aa47626
1244218aa0
13263821a4
141699a332
15da2966c
hex9496518

155804952 has 16 divisors (see below), whose sum is σ = 389512440. Its totient is φ = 51934976.

The previous prime is 155804939. The next prime is 155804963. The reversal of 155804952 is 259408551.

It is a self number, because there is not a number n which added to its sum of digits gives 155804952.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3245913 + ... + 3245960.

Almost surely, 2155804952 is an apocalyptic number.

155804952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155804952 is an abundant number, since it is smaller than the sum of its proper divisors (233707488).

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

155804952 is a wasteful number, since it uses less digits than its factorization.

155804952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6491882 (or 6491878 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 155804952 is about 12482.1853855805. The cubic root of 155804952 is about 538.0968119012.

The spelling of 155804952 in words is "one hundred fifty-five million, eight hundred four thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 6491873 12983746 19475619 25967492 38951238 51934984 77902476 155804952