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256055832 = 23323556331
BaseRepresentation
bin11110100001100…
…01101000011000
3122211210222120100
433100301220120
51011022241312
641224055400
76226303314
oct1720615030
9584728510
10256055832
1112159a59a
1271904560
1341082c36
1426014b44
151772d5dc
hexf431a18

256055832 has 24 divisors (see below), whose sum is σ = 693484740. Its totient is φ = 85351920.

The previous prime is 256055801. The next prime is 256055881. The reversal of 256055832 is 238550652.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1778094 + ... + 1778237.

Almost surely, 2256055832 is an apocalyptic number.

It is an amenable number.

256055832 is an abundant number, since it is smaller than the sum of its proper divisors (437428908).

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

256055832 is a wasteful number, since it uses less digits than its factorization.

256055832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556343 (or 3556336 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 256055832 is about 16001.7446548806. The cubic root of 256055832 is about 635.0065777317.

The spelling of 256055832 in words is "two hundred fifty-six million, fifty-five thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 3556331 7112662 10668993 14225324 21337986 28450648 32006979 42675972 64013958 85351944 128027916 256055832