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57460457 is a prime number
BaseRepresentation
bin1101101100110…
…0011011101001
311000010021221002
43123030123221
5104202213312
65411324345
71265256125
oct333143351
9130107832
1057460457
112a48698a
12172b06b5
13bb9b092
1478ba585
1550a04c2
hex36cc6e9

57460457 has 2 divisors, whose sum is σ = 57460458. Its totient is φ = 57460456.

The previous prime is 57460433. The next prime is 57460471. The reversal of 57460457 is 75406475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33362176 + 24098281 = 5776^2 + 4909^2 .

It is a cyclic number.

It is not a de Polignac number, because 57460457 - 210 = 57459433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57460457.

It is not a weakly prime, because it can be changed into another prime (57460057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28730228 + 28730229.

It is an arithmetic number, because the mean of its divisors is an integer number (28730229).

Almost surely, 257460457 is an apocalyptic number.

It is an amenable number.

57460457 is a deficient number, since it is larger than the sum of its proper divisors (1).

57460457 is an equidigital number, since it uses as much as digits as its factorization.

57460457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 57460457 is about 7580.2676074133. The cubic root of 57460457 is about 385.8836329404.

The spelling of 57460457 in words is "fifty-seven million, four hundred sixty thousand, four hundred fifty-seven".