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56708266 = 2128921997
BaseRepresentation
bin1101100001010…
…0110010101010
310221201002010011
43120110302222
5104004131031
65343242134
71256004136
oct330246252
9127632104
1056708266
112a01283a
1216ba934a
13b9968b4
1477623c6
154ea26b1
hex3614caa

56708266 has 8 divisors (see below), whose sum is σ = 85132260. Its totient is φ = 28330848.

The previous prime is 56708261. The next prime is 56708291. The reversal of 56708266 is 66280765.

It can be written as a sum of positive squares in 2 ways, for example, as 53363025 + 3345241 = 7305^2 + 1829^2 .

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

It is not an unprimeable number, because it can be changed into a prime (56708261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8421 + ... + 13576.

Almost surely, 256708266 is an apocalyptic number.

56708266 is a deficient number, since it is larger than the sum of its proper divisors (28423994).

56708266 is a wasteful number, since it uses less digits than its factorization.

56708266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23288.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 56708266 is about 7530.4890943417. The cubic root of 56708266 is about 384.1924174910.

The spelling of 56708266 in words is "fifty-six million, seven hundred eight thousand, two hundred sixty-six".

Divisors: 1 2 1289 2578 21997 43994 28354133 56708266