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56231455 = 574873299
BaseRepresentation
bin1101011010000…
…0011000011111
310220210212001111
43112200120133
5103343401310
65325122451
71251650050
oct326403037
9126725044
1056231455
1129817585
12169b9427
13b85a867
14767a727
154e0b28a
hex35a061f

56231455 has 16 divisors (see below), whose sum is σ = 77299200. Its totient is φ = 38467872.

The previous prime is 56231449. The next prime is 56231471. The reversal of 56231455 is 55413265.

56231455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56231455 - 25 = 56231423 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 15396 + ... + 18694.

It is an arithmetic number, because the mean of its divisors is an integer number (4831200).

Almost surely, 256231455 is an apocalyptic number.

56231455 is a deficient number, since it is larger than the sum of its proper divisors (21067745).

56231455 is a wasteful number, since it uses less digits than its factorization.

56231455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3798.

The product of its digits is 18000, while the sum is 31.

The square root of 56231455 is about 7498.7635647485. The cubic root of 56231455 is about 383.1126042843.

The spelling of 56231455 in words is "fifty-six million, two hundred thirty-one thousand, four hundred fifty-five".

Divisors: 1 5 7 35 487 2435 3299 3409 16495 17045 23093 115465 1606613 8033065 11246291 56231455