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57422961 = 3214942821
BaseRepresentation
bin1101101100001…
…1010001110001
311000001101111100
43123003101301
5104200013321
65410435013
71265041611
oct333032161
9130041440
1057422961
112a4607a2
1217292a69
13bb86cab
1478aaa41
155094326
hex36c3471

57422961 has 12 divisors (see below), whose sum is σ = 83502900. Its totient is φ = 38024160.

The previous prime is 57422951. The next prime is 57422971. The reversal of 57422961 is 16922475.

57422961 is a `hidden beast` number, since 574 + 2 + 29 + 61 = 666.

57422961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (57422951) and next prime (57422971).

It can be written as a sum of positive squares in 2 ways, for example, as 4410000 + 53012961 = 2100^2 + 7281^2 .

It is not a de Polignac number, because 57422961 - 222 = 53228657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57422951) 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 in 11 ways as a sum of consecutive naturals, for example, 20070 + ... + 22751.

It is an arithmetic number, because the mean of its divisors is an integer number (6958575).

Almost surely, 257422961 is an apocalyptic number.

It is an amenable number.

57422961 is a deficient number, since it is larger than the sum of its proper divisors (26079939).

57422961 is a wasteful number, since it uses less digits than its factorization.

57422961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42976 (or 42973 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 57422961 is about 7577.7939401913. The cubic root of 57422961 is about 385.7996781543.

The spelling of 57422961 in words is "fifty-seven million, four hundred twenty-two thousand, nine hundred sixty-one".

Divisors: 1 3 9 149 447 1341 42821 128463 385389 6380329 19140987 57422961