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57302037 = 3213489761
BaseRepresentation
bin1101101010010…
…1110000010101
310222211020121200
43122211300111
5104132131122
65404103113
71264026222
oct332456025
9128736550
1057302037
112a388961
1217234a99
13bb43c40
147878949
15506d5ac
hex36a5c15

57302037 has 12 divisors (see below), whose sum is σ = 89136684. Its totient is φ = 35262720.

The previous prime is 57302033. The next prime is 57302083. The reversal of 57302037 is 73020375.

57302037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6022116 + 51279921 = 2454^2 + 7161^2 .

It is not a de Polignac number, because 57302037 - 22 = 57302033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57302037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57302033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244764 + ... + 244997.

It is an arithmetic number, because the mean of its divisors is an integer number (7428057).

Almost surely, 257302037 is an apocalyptic number.

It is an amenable number.

57302037 is a deficient number, since it is larger than the sum of its proper divisors (31834647).

57302037 is a wasteful number, since it uses less digits than its factorization.

57302037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489780 (or 489777 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 57302037 is about 7569.8108959207. The cubic root of 57302037 is about 385.5286760704.

The spelling of 57302037 in words is "fifty-seven million, three hundred two thousand, thirty-seven".

Divisors: 1 3 9 13 39 117 489761 1469283 4407849 6366893 19100679 57302037