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257026496 = 264016039
BaseRepresentation
bin11110101000111…
…10100111000000
3122220122022001212
433110132213000
51011244321441
641300545252
76240455246
oct1724364700
9586568055
10257026496
111220a28a1
12720b2228
13413329ac
14261c8796
1517870eeb
hexf51e9c0

257026496 has 14 divisors (see below), whose sum is σ = 510037080. Its totient is φ = 128513216.

The previous prime is 257026477. The next prime is 257026501. The reversal of 257026496 is 694620752.

257026496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2007956 + ... + 2008083.

It is an arithmetic number, because the mean of its divisors is an integer number (36431220).

Almost surely, 2257026496 is an apocalyptic number.

It is an amenable number.

257026496 is a deficient number, since it is larger than the sum of its proper divisors (253010584).

257026496 is an equidigital number, since it uses as much as digits as its factorization.

257026496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4016051 (or 4016041 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 257026496 is about 16032.0459081179. The cubic root of 257026496 is about 635.8079664949.

The spelling of 257026496 in words is "two hundred fifty-seven million, twenty-six thousand, four hundred ninety-six".

Divisors: 1 2 4 8 16 32 64 4016039 8032078 16064156 32128312 64256624 128513248 257026496