Search a number
-
+
56231575 = 5210212203
BaseRepresentation
bin1101011010000…
…0011010010111
310220210212012221
43112200122113
5103343402300
65325123211
71251650311
oct326403227
9126725187
1056231575
1129817684
12169b9507
13b85a92a
14767a7b1
154e0b31a
hex35a0697

56231575 has 12 divisors (see below), whose sum is σ = 69827128. Its totient is φ = 44920800.

The previous prime is 56231561. The next prime is 56231611. The reversal of 56231575 is 57513265.

56231575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56231575 - 211 = 56229527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56231575.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24424 + ... + 26626.

Almost surely, 256231575 is an apocalyptic number.

56231575 is a deficient number, since it is larger than the sum of its proper divisors (13595553).

56231575 is a wasteful number, since it uses less digits than its factorization.

56231575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234 (or 3229 counting only the distinct ones).

The product of its digits is 31500, while the sum is 34.

The square root of 56231575 is about 7498.7715660633. The cubic root of 56231575 is about 383.1128768096.

The spelling of 56231575 in words is "fifty-six million, two hundred thirty-one thousand, five hundred seventy-five".

Divisors: 1 5 25 1021 2203 5105 11015 25525 55075 2249263 11246315 56231575