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56949785 = 511389957
BaseRepresentation
bin1101100100111…
…1110000011001
310222011100102022
43121033300121
5104034343120
65352344225
71261031234
oct331176031
9128140368
1056949785
112a168242
12170a5075
13ba4c7c9
1477c641b
154eee025
hex364fc19

56949785 has 4 divisors (see below), whose sum is σ = 68339748. Its totient is φ = 45559824.

The previous prime is 56949773. The next prime is 56949791. The reversal of 56949785 is 58794965.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41165056 + 15784729 = 6416^2 + 3973^2 .

It is a cyclic number.

It is not a de Polignac number, because 56949785 - 24 = 56949769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5694974 + ... + 5694983.

It is an arithmetic number, because the mean of its divisors is an integer number (17084937).

Almost surely, 256949785 is an apocalyptic number.

It is an amenable number.

56949785 is a deficient number, since it is larger than the sum of its proper divisors (11389963).

56949785 is a wasteful number, since it uses less digits than its factorization.

56949785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11389962.

The product of its digits is 2721600, while the sum is 53.

The square root of 56949785 is about 7546.5081329049. The cubic root of 56949785 is about 384.7370667758.

The spelling of 56949785 in words is "fifty-six million, nine hundred forty-nine thousand, seven hundred eighty-five".

Divisors: 1 5 11389957 56949785