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56443361 = 1361109653
BaseRepresentation
bin1101011101010…
…0000111100001
310221012121201212
43113110013201
5103422141421
65333435505
71253521622
oct327240741
9127177655
1056443361
1129951807
1216a9bb95
13b903150
1476d3a49
154e4de5b
hex35d41e1

56443361 has 16 divisors (see below), whose sum is σ = 62443920. Its totient is φ = 50699520.

The previous prime is 56443351. The next prime is 56443363. The reversal of 56443361 is 16334465.

56443361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 14776336 + 41667025 = 3844^2 + 6455^2 .

It is a cyclic number.

It is not a de Polignac number, because 56443361 - 26 = 56443297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56443363) by changing a digit.

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, 86111 + ... + 86763.

It is an arithmetic number, because the mean of its divisors is an integer number (3902745).

Almost surely, 256443361 is an apocalyptic number.

It is an amenable number.

56443361 is a deficient number, since it is larger than the sum of its proper divisors (6000559).

56443361 is a wasteful number, since it uses less digits than its factorization.

56443361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836.

The product of its digits is 25920, while the sum is 32.

The square root of 56443361 is about 7512.8796742661. The cubic root of 56443361 is about 383.5932492253.

The spelling of 56443361 in words is "fifty-six million, four hundred forty-three thousand, three hundred sixty-one".

Divisors: 1 13 61 109 653 793 1417 6649 8489 39833 71177 86437 517829 925301 4341797 56443361