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256040062 = 2246751893
BaseRepresentation
bin11110100001011…
…01110001111110
3122211210011221021
433100231301332
51011021240222
641223454354
76226206325
oct1720556176
9584704837
10256040062
11121589763
12718b73ba
13410789c5
142600d0bc
1517728ac7
hexf42dc7e

256040062 has 8 divisors (see below), whose sum is σ = 384223176. Its totient is φ = 127965672.

The previous prime is 256040053. The next prime is 256040063. The reversal of 256040062 is 260040652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256040063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21013 + ... + 30880.

It is an arithmetic number, because the mean of its divisors is an integer number (48027897).

Almost surely, 2256040062 is an apocalyptic number.

256040062 is a deficient number, since it is larger than the sum of its proper divisors (128183114).

256040062 is a wasteful number, since it uses less digits than its factorization.

256040062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54362.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 256040062 is about 16001.2518885242. The cubic root of 256040062 is about 634.9935411747.

The spelling of 256040062 in words is "two hundred fifty-six million, forty thousand, sixty-two".

Divisors: 1 2 2467 4934 51893 103786 128020031 256040062