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57033073 is a prime number
BaseRepresentation
bin1101100110010…
…0000101110001
310222022120200001
43121210011301
5104100024243
65354230001
71261526116
oct331440561
9128276601
1057033073
112a214879
1217125301
13ba7b6a6
14780890d
155018a4d
hex3664171

57033073 has 2 divisors, whose sum is σ = 57033074. Its totient is φ = 57033072.

The previous prime is 57033061. The next prime is 57033101. The reversal of 57033073 is 37033075.

It is an a-pointer prime, because the next prime (57033101) can be obtained adding 57033073 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54287424 + 2745649 = 7368^2 + 1657^2 .

It is a cyclic number.

It is not a de Polignac number, because 57033073 - 29 = 57032561 is a prime.

It is not a weakly prime, because it can be changed into another prime (57030073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28516536 + 28516537.

It is an arithmetic number, because the mean of its divisors is an integer number (28516537).

Almost surely, 257033073 is an apocalyptic number.

It is an amenable number.

57033073 is a deficient number, since it is larger than the sum of its proper divisors (1).

57033073 is an equidigital number, since it uses as much as digits as its factorization.

57033073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6615, while the sum is 28.

The square root of 57033073 is about 7552.0244305749. The cubic root of 57033073 is about 384.9245323490.

The spelling of 57033073 in words is "fifty-seven million, thirty-three thousand, seventy-three".