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256313036 = 2279154037
BaseRepresentation
bin11110100011100…
…00011011001100
3122212022001101102
433101300123030
51011104004121
641233402232
76231424220
oct1721603314
9585261342
10256313036
11121755861
1271a09378
1341143025
1426080780
151777e90b
hexf4706cc

256313036 has 12 divisors (see below), whose sum is σ = 512626128. Its totient is φ = 109848432.

The previous prime is 256313027. The next prime is 256313089. The reversal of 256313036 is 630313652.

It is a happy number.

256313036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

256313036 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4576991 + ... + 4577046.

It is an arithmetic number, because the mean of its divisors is an integer number (42718844).

Almost surely, 2256313036 is an apocalyptic number.

It is an amenable number.

256313036 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.

256313036 is a wasteful number, since it uses less digits than its factorization.

256313036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9154048 (or 9154046 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 256313036 is about 16009.7793863626. The cubic root of 256313036 is about 635.2191245746.

Adding to 256313036 its reverse (630313652), we get a palindrome (886626688).

The spelling of 256313036 in words is "two hundred fifty-six million, three hundred thirteen thousand, thirty-six".

Divisors: 1 2 4 7 14 28 9154037 18308074 36616148 64078259 128156518 256313036