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56944489 = 731397661
BaseRepresentation
bin1101100100111…
…0011101101001
310222011002011011
43121032131221
5104034210424
65352303521
71261006630
oct331163551
9128132134
1056944489
112a164268
12170a1ba1
13ba4a284
1477c4517
154eec694
hex364e769

56944489 has 16 divisors (see below), whose sum is σ = 67449856. Its totient is φ = 47044800.

The previous prime is 56944471. The next prime is 56944519. The reversal of 56944489 is 98444965.

It is a cyclic number.

It is not a de Polignac number, because 56944489 - 27 = 56944361 is a prime.

It is a super-2 number, since 2×569444892 = 6485349654942242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56944409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85819 + ... + 86479.

It is an arithmetic number, because the mean of its divisors is an integer number (4215616).

Almost surely, 256944489 is an apocalyptic number.

It is an amenable number.

56944489 is a deficient number, since it is larger than the sum of its proper divisors (10505367).

56944489 is a wasteful number, since it uses less digits than its factorization.

56944489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096.

The product of its digits is 1244160, while the sum is 49.

The square root of 56944489 is about 7546.1572339834. The cubic root of 56944489 is about 384.7251403002.

The spelling of 56944489 in words is "fifty-six million, nine hundred forty-four thousand, four hundred eighty-nine".

Divisors: 1 7 31 217 397 661 2779 4627 12307 20491 86149 143437 262417 1836919 8134927 56944489