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56215676 = 22111277629
BaseRepresentation
bin1101011001110…
…0100001111100
310220210001102002
43112130201330
5103342400201
65324521432
71251553046
oct326344174
9126701362
1056215676
1129806740
12169b0278
13b85361a
147674a96
154e0676b
hex359c87c

56215676 has 12 divisors (see below), whose sum is σ = 107320920. Its totient is φ = 25552560.

The previous prime is 56215673. The next prime is 56215697. The reversal of 56215676 is 67651265.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56215673) 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, 638771 + ... + 638858.

It is an arithmetic number, because the mean of its divisors is an integer number (8943410).

Almost surely, 256215676 is an apocalyptic number.

It is an amenable number.

56215676 is a deficient number, since it is larger than the sum of its proper divisors (51105244).

56215676 is a wasteful number, since it uses less digits than its factorization.

56215676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277644 (or 1277642 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 56215676 is about 7497.7113841492. The cubic root of 56215676 is about 383.0767661026.

The spelling of 56215676 in words is "fifty-six million, two hundred fifteen thousand, six hundred seventy-six".

Divisors: 1 2 4 11 22 44 1277629 2555258 5110516 14053919 28107838 56215676