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56450769 = 318816923
BaseRepresentation
bin1101011101010…
…1111011010001
310221012222220020
43113111323101
5103422411034
65333534053
71253552334
oct327257321
9127188806
1056450769
1129957331
1216aa4329
13b90662b
1476d661b
154e51249
hex35d5ed1

56450769 has 4 divisors (see below), whose sum is σ = 75267696. Its totient is φ = 37633844.

The previous prime is 56450759. The next prime is 56450813. The reversal of 56450769 is 96705465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56450769 - 221 = 54353617 is a prime.

It is a super-2 number, since 2×564507692 = 6373378641382722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56450769.

It is not an unprimeable number, because it can be changed into a prime (56450759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9408459 + ... + 9408464.

It is an arithmetic number, because the mean of its divisors is an integer number (18816924).

Almost surely, 256450769 is an apocalyptic number.

It is an amenable number.

56450769 is a deficient number, since it is larger than the sum of its proper divisors (18816927).

56450769 is a wasteful number, since it uses less digits than its factorization.

56450769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18816926.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 56450769 is about 7513.3726780987. The cubic root of 56450769 is about 383.6100302628.

The spelling of 56450769 in words is "fifty-six million, four hundred fifty thousand, seven hundred sixty-nine".

Divisors: 1 3 18816923 56450769