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56442425 = 5213173669
BaseRepresentation
bin1101011101001…
…1111000111001
310221012120110012
43113103320321
5103422124200
65333431305
71253516114
oct327237071
9127176405
1056442425
1129951036
1216a9b535
13b9028b0
1476d357b
154e4da35
hex35d3e39

56442425 has 12 divisors (see below), whose sum is σ = 75372780. Its totient is φ = 41680320.

The previous prime is 56442401. The next prime is 56442469. The reversal of 56442425 is 52424465.

It can be written as a sum of positive squares in 6 ways, for example, as 72361 + 56370064 = 269^2 + 7508^2 .

It is not a de Polignac number, because 56442425 - 26 = 56442361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56442391 and 56442400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86510 + ... + 87159.

It is an arithmetic number, because the mean of its divisors is an integer number (6281065).

Almost surely, 256442425 is an apocalyptic number.

It is an amenable number.

56442425 is a deficient number, since it is larger than the sum of its proper divisors (18930355).

56442425 is a wasteful number, since it uses less digits than its factorization.

56442425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173692 (or 173687 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 56442425 is about 7512.8173809830. The cubic root of 56442425 is about 383.5911288385.

The spelling of 56442425 in words is "fifty-six million, four hundred forty-two thousand, four hundred twenty-five".

Divisors: 1 5 13 25 65 325 173669 868345 2257697 4341725 11288485 56442425