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57046257 = 326338473
BaseRepresentation
bin1101100110011…
…1010011110001
310222100020202100
43121213103301
5104100440012
65354411013
71261612422
oct331472361
9128306670
1057046257
112a223774
1217130a69
13ba846a8
14780d649
15501c8dc
hex36674f1

57046257 has 6 divisors (see below), whose sum is σ = 82400162. Its totient is φ = 38030832.

The previous prime is 57046229. The next prime is 57046273. The reversal of 57046257 is 75264075.

It can be written as a sum of positive squares in only one way, i.e., 46294416 + 10751841 = 6804^2 + 3279^2 .

It is not a de Polignac number, because 57046257 - 28 = 57046001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57046207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3169228 + ... + 3169245.

Almost surely, 257046257 is an apocalyptic number.

It is an amenable number.

57046257 is a deficient number, since it is larger than the sum of its proper divisors (25353905).

57046257 is a wasteful number, since it uses less digits than its factorization.

57046257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6338479 (or 6338476 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 57046257 is about 7552.8972586684. The cubic root of 57046257 is about 384.9541903104.

The spelling of 57046257 in words is "fifty-seven million, forty-six thousand, two hundred fifty-seven".

Divisors: 1 3 9 6338473 19015419 57046257