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57045361 is a prime number
BaseRepresentation
bin1101100110011…
…1000101110001
310222100012112011
43121213011301
5104100422421
65354402521
71261610002
oct331470561
9128305464
1057045361
112a22302a
1217130441
13ba84169
14780d1a9
15501c4e1
hex3667171

57045361 has 2 divisors, whose sum is σ = 57045362. Its totient is φ = 57045360.

The previous prime is 57045337. The next prime is 57045367. The reversal of 57045361 is 16354075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56927025 + 118336 = 7545^2 + 344^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57045361 is a prime.

It is not a weakly prime, because it can be changed into another prime (57045367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28522680 + 28522681.

It is an arithmetic number, because the mean of its divisors is an integer number (28522681).

Almost surely, 257045361 is an apocalyptic number.

It is an amenable number.

57045361 is a deficient number, since it is larger than the sum of its proper divisors (1).

57045361 is an equidigital number, since it uses as much as digits as its factorization.

57045361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 57045361 is about 7552.8379434488. The cubic root of 57045361 is about 384.9521748656.

The spelling of 57045361 in words is "fifty-seven million, forty-five thousand, three hundred sixty-one".