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56239265 = 529387857
BaseRepresentation
bin1101011010001…
…0010010100001
310220211020202202
43112202102201
5103344124030
65325222545
71252011605
oct326422241
9126736682
1056239265
1129822435
1216a01a55
13b861294
14767d505
154e0d745
hex35a24a1

56239265 has 8 divisors (see below), whose sum is σ = 69814440. Its totient is φ = 43439872.

The previous prime is 56239237. The next prime is 56239291. The reversal of 56239265 is 56293265.

It can be written as a sum of positive squares in 4 ways, for example, as 781456 + 55457809 = 884^2 + 7447^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 56239265 - 210 = 56238241 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193784 + ... + 194073.

It is an arithmetic number, because the mean of its divisors is an integer number (8726805).

Almost surely, 256239265 is an apocalyptic number.

It is an amenable number.

56239265 is a deficient number, since it is larger than the sum of its proper divisors (13575175).

56239265 is a wasteful number, since it uses less digits than its factorization.

56239265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387891.

The product of its digits is 97200, while the sum is 38.

The square root of 56239265 is about 7499.2842991848. The cubic root of 56239265 is about 383.1303403297.

The spelling of 56239265 in words is "fifty-six million, two hundred thirty-nine thousand, two hundred sixty-five".

Divisors: 1 5 29 145 387857 1939285 11247853 56239265