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256460676 = 223106120143
BaseRepresentation
bin11110100100101…
…00011110000100
3122212120112220120
433102110132010
51011123220201
641240501540
76232610523
oct1722243604
9585515816
10256460676
1112184677a
1271a7a8b0
13411952a4
14260bc4ba
15177ad536
hexf494784

256460676 has 24 divisors (see below), whose sum is σ = 599001984. Its totient is φ = 85402080.

The previous prime is 256460671. The next prime is 256460681. The reversal of 256460676 is 676064652.

It is an interprime number because it is at equal distance from previous prime (256460671) and next prime (256460681).

It is not an unprimeable number, because it can be changed into a prime (256460671) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2661 + ... + 22803.

It is an arithmetic number, because the mean of its divisors is an integer number (24958416).

Almost surely, 2256460676 is an apocalyptic number.

It is an amenable number.

256460676 is an abundant number, since it is smaller than the sum of its proper divisors (342541308).

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

256460676 is a wasteful number, since it uses less digits than its factorization.

256460676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21211 (or 21209 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 256460676 is about 16014.3896543078. The cubic root of 256460676 is about 635.3410662855.

The spelling of 256460676 in words is "two hundred fifty-six million, four hundred sixty thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 12 1061 2122 3183 4244 6366 12732 20143 40286 60429 80572 120858 241716 21371723 42743446 64115169 85486892 128230338 256460676