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57045663 = 327980233
BaseRepresentation
bin1101100110011…
…1001010011111
310222100012221100
43121213022133
5104100430123
65354404143
71261610613
oct331471237
9128305840
1057045663
112a223284
1217130653
13ba8433c
14780d343
15501c643
hex366729f

57045663 has 12 divisors (see below), whose sum is σ = 83443360. Its totient is φ = 37548576.

The previous prime is 57045661. The next prime is 57045671. The reversal of 57045663 is 36654075.

It is not a de Polignac number, because 57045663 - 21 = 57045661 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 (57045661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39406 + ... + 40827.

Almost surely, 257045663 is an apocalyptic number.

57045663 is a deficient number, since it is larger than the sum of its proper divisors (26397697).

57045663 is a wasteful number, since it uses less digits than its factorization.

57045663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80318 (or 80315 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 57045663 is about 7552.8579359074. The cubic root of 57045663 is about 384.9528541808.

The spelling of 57045663 in words is "fifty-seven million, forty-five thousand, six hundred sixty-three".

Divisors: 1 3 9 79 237 711 80233 240699 722097 6338407 19015221 57045663