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57283733 = 132379161
BaseRepresentation
bin1101101010000…
…1010010010101
310222210022111202
43122201102111
5104131034413
65403442245
71263621653
oct332412225
9128708452
1057283733
112a376131
1217226385
13bb38800
147871dd3
155067e58
hex36a1495

57283733 has 12 divisors (see below), whose sum is σ = 63712548. Its totient is φ = 51442560.

The previous prime is 57283717. The next prime is 57283739. The reversal of 57283733 is 33738275.

It can be written as a sum of positive squares in 6 ways, for example, as 3452164 + 53831569 = 1858^2 + 7337^2 .

It is not a de Polignac number, because 57283733 - 24 = 57283717 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 (57283739) 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, 1673 + ... + 10833.

It is an arithmetic number, because the mean of its divisors is an integer number (5309379).

Almost surely, 257283733 is an apocalyptic number.

It is an amenable number.

57283733 is a deficient number, since it is larger than the sum of its proper divisors (6428815).

57283733 is a wasteful number, since it uses less digits than its factorization.

57283733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9224 (or 9211 counting only the distinct ones).

The product of its digits is 105840, while the sum is 38.

The square root of 57283733 is about 7568.6017863275. The cubic root of 57283733 is about 385.4876218673.

The spelling of 57283733 in words is "fifty-seven million, two hundred eighty-three thousand, seven hundred thirty-three".

Divisors: 1 13 37 169 481 6253 9161 119093 338957 1548209 4406441 57283733