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256061596 = 2279145057
BaseRepresentation
bin11110100001100…
…11000010011100
3122211211021110211
433100303002130
51011022432341
641224142204
76226326160
oct1720630234
9584737424
10256061596
111215a395a
1271907964
134108574b
1426016ca0
1517730181
hexf43309c

256061596 has 12 divisors (see below), whose sum is σ = 512123248. Its totient is φ = 109740672.

The previous prime is 256061587. The next prime is 256061621. The reversal of 256061596 is 695160652.

256061596 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4572501 + ... + 4572556.

Almost surely, 2256061596 is an apocalyptic number.

It is an amenable number.

256061596 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

256061596 is a wasteful number, since it uses less digits than its factorization.

256061596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9145068 (or 9145066 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 256061596 is about 16001.9247592282. The cubic root of 256061596 is about 635.0113425134.

The spelling of 256061596 in words is "two hundred fifty-six million, sixty-one thousand, five hundred ninety-six".

Divisors: 1 2 4 7 14 28 9145057 18290114 36580228 64015399 128030798 256061596