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56770047 = 326307783
BaseRepresentation
bin1101100010001…
…1110111111111
310221211012212100
43120203313333
5104013120142
65344440143
71256352225
oct330436777
9127735770
1056770047
112a0551a4
1217019053
13b9b8a59
14777ab15
154eb5b4c
hex3623dff

56770047 has 6 divisors (see below), whose sum is σ = 82001192. Its totient is φ = 37846692.

The previous prime is 56770039. The next prime is 56770057. The reversal of 56770047 is 74007765.

It is not a de Polignac number, because 56770047 - 23 = 56770039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56769993 and 56770020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56770057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3153883 + ... + 3153900.

Almost surely, 256770047 is an apocalyptic number.

56770047 is a deficient number, since it is larger than the sum of its proper divisors (25231145).

56770047 is a wasteful number, since it uses less digits than its factorization.

56770047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6307789 (or 6307786 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 56770047 is about 7534.5900352972. The cubic root of 56770047 is about 384.3318867369.

The spelling of 56770047 in words is "fifty-six million, seven hundred seventy thousand, forty-seven".

Divisors: 1 3 9 6307783 18923349 56770047