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56545744 = 2412372857
BaseRepresentation
bin1101011110110…
…1000111010000
310221101211011211
43113231013100
5103433430434
65335545504
71254426253
oct327550720
9127354154
1056545744
1129a11722
1216b2b294
13b93a928
14771d09a
154e6e464
hex35ed1d0

56545744 has 20 divisors (see below), whose sum is σ = 109684324. Its totient is φ = 28240128.

The previous prime is 56545733. The next prime is 56545763. The reversal of 56545744 is 44754565.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40449600 + 16096144 = 6360^2 + 4012^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56545697 and 56545706.

It is a congruent 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, 18364 + ... + 21220.

Almost surely, 256545744 is an apocalyptic number.

It is an amenable number.

56545744 is a deficient number, since it is larger than the sum of its proper divisors (53138580).

56545744 is a wasteful number, since it uses less digits than its factorization.

56545744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102 (or 4096 counting only the distinct ones).

The product of its digits is 336000, while the sum is 40.

The square root of 56545744 is about 7519.6904191596. The cubic root of 56545744 is about 383.8250432735.

The spelling of 56545744 in words is "fifty-six million, five hundred forty-five thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 1237 2474 2857 4948 5714 9896 11428 19792 22856 45712 3534109 7068218 14136436 28272872 56545744