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56925481 is a prime number
BaseRepresentation
bin1101100100100…
…1110100101001
310222010010002011
43121021310221
5104033103411
65352035521
71260600334
oct331116451
9128103064
1056925481
112a150a58
1217092ba1
13ba41722
1477bb61b
154ee6c21
hex3649d29

56925481 has 2 divisors, whose sum is σ = 56925482. Its totient is φ = 56925480.

The previous prime is 56925461. The next prime is 56925487. The reversal of 56925481 is 18452965.

56925481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47059600 + 9865881 = 6860^2 + 3141^2 .

It is a cyclic number.

It is not a de Polignac number, because 56925481 - 215 = 56892713 is a prime.

It is a super-2 number, since 2×569254812 = 6481020774162722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56925487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28462740 + 28462741.

It is an arithmetic number, because the mean of its divisors is an integer number (28462741).

Almost surely, 256925481 is an apocalyptic number.

It is an amenable number.

56925481 is a deficient number, since it is larger than the sum of its proper divisors (1).

56925481 is an equidigital number, since it uses as much as digits as its factorization.

56925481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 40.

The square root of 56925481 is about 7544.8976798894. The cubic root of 56925481 is about 384.6823286110.

The spelling of 56925481 in words is "fifty-six million, nine hundred twenty-five thousand, four hundred eighty-one".