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256056006 = 231713119163
BaseRepresentation
bin11110100001100…
…01101011000110
3122211210222210210
433100301223012
51011022243011
641224100250
76226303653
oct1720615306
9584728723
10256056006
1112159a738
1271904686
134108303b
1426014c2a
151772d6a6
hexf431ac6

256056006 has 32 divisors (see below), whose sum is σ = 546403968. Its totient is φ = 79713920.

The previous prime is 256055999. The next prime is 256056037. The reversal of 256056006 is 600650652.

256056006 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 in 15 ways as a sum of consecutive naturals, for example, 3781 + ... + 22943.

It is an arithmetic number, because the mean of its divisors is an integer number (17075124).

Almost surely, 2256056006 is an apocalyptic number.

256056006 is an abundant number, since it is smaller than the sum of its proper divisors (290347962).

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

256056006 is a wasteful number, since it uses less digits than its factorization.

256056006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19316.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 256056006 is about 16001.7500917868. The cubic root of 256056006 is about 635.0067215690.

The spelling of 256056006 in words is "two hundred fifty-six million, fifty-six thousand, six".

Divisors: 1 2 3 6 17 34 51 102 131 262 393 786 2227 4454 6681 13362 19163 38326 57489 114978 325771 651542 977313 1954626 2510353 5020706 7531059 15062118 42676001 85352002 128028003 256056006