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56791444 = 2220876803
BaseRepresentation
bin1101100010100…
…1000110010100
310221212022012211
43120221012110
5104014311234
65345123204
71256501503
oct330510624
9127768184
1056791444
112a06a286
1217029504
13b9c5708
14778483a
154ebc164
hex3629194

56791444 has 12 divisors (see below), whose sum is σ = 99447264. Its totient is φ = 28377944.

The previous prime is 56791429. The next prime is 56791451. The reversal of 56791444 is 44419765.

It is a super-2 number, since 2×567914442 = 6450536223210272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56791397 and 56791406.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4947 + ... + 11749.

It is an arithmetic number, because the mean of its divisors is an integer number (8287272).

Almost surely, 256791444 is an apocalyptic number.

It is an amenable number.

56791444 is a deficient number, since it is larger than the sum of its proper divisors (42655820).

56791444 is a wasteful number, since it uses less digits than its factorization.

56791444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8894 (or 8892 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 56791444 is about 7536.0098195265. The cubic root of 56791444 is about 384.3801664011.

The spelling of 56791444 in words is "fifty-six million, seven hundred ninety-one thousand, four hundred forty-four".

Divisors: 1 2 4 2087 4174 6803 8348 13606 27212 14197861 28395722 56791444