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256832676 = 223226712
BaseRepresentation
bin11110100111011…
…11010010100100
3122220021110012100
433103233102210
51011222121201
641252452100
76236020212
oct1723572244
9586243170
10256832676
11121a80211
127201a030
13412956c9
1426177cb2
1517833886
hexf4ef4a4

256832676 has 27 divisors (see below), whose sum is σ = 649459083. Its totient is φ = 85578840.

The previous prime is 256832669. The next prime is 256832677. The reversal of 256832676 is 676238652.

It is a happy number.

The square root of 256832676 is 16026.

It is a perfect power (a square), and thus also a powerful number.

256832676 is a `hidden beast` number, since 256 + 8 + 326 + 76 = 666.

256832676 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2568326762 = 131926046922641952, which contains 22 as substring.

256832676 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (256832677) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 94821 + ... + 97491.

Almost surely, 2256832676 is an apocalyptic number.

256832676 is the 16026-th square number.

It is an amenable number.

256832676 is an abundant number, since it is smaller than the sum of its proper divisors (392626407).

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

256832676 is an equidigital number, since it uses as much as digits as its factorization.

256832676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352 (or 2676 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The cubic root of 256832676 is about 635.6481084117.

The spelling of 256832676 in words is "two hundred fifty-six million, eight hundred thirty-two thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 2671 5342 8013 10684 16026 24039 32052 48078 96156 7134241 14268482 21402723 28536964 42805446 64208169 85610892 128416338 256832676