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56786697 = 3311263727
BaseRepresentation
bin1101100010011…
…1111100001001
310221212001201000
43120213330021
5104014133242
65345045213
71256451612
oct330477411
9127761630
1056786697
112a066760
1217026809
13b9c34c6
147782c09
154ebaa4c
hex3627f09

56786697 has 32 divisors (see below), whose sum is σ = 92252160. Its totient is φ = 34238160.

The previous prime is 56786683. The next prime is 56786713. The reversal of 56786697 is 79668765.

It is a happy number.

It is not a de Polignac number, because 56786697 - 26 = 56786633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56786657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77748 + ... + 78474.

It is an arithmetic number, because the mean of its divisors is an integer number (2882880).

Almost surely, 256786697 is an apocalyptic number.

It is an amenable number.

56786697 is a deficient number, since it is larger than the sum of its proper divisors (35465463).

56786697 is a wasteful number, since it uses less digits than its factorization.

56786697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 1004 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 56786697 is about 7535.6948584719. The cubic root of 56786697 is about 384.3694564340.

The spelling of 56786697 in words is "fifty-six million, seven hundred eighty-six thousand, six hundred ninety-seven".

Divisors: 1 3 9 11 27 33 99 263 297 727 789 2181 2367 2893 6543 7101 7997 8679 19629 23991 26037 71973 78111 191201 215919 573603 1720809 2103211 5162427 6309633 18928899 56786697