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57948665 = 5176731013
BaseRepresentation
bin1101110100001…
…1100111111001
311001001002121212
43131003213321
5104313324130
65430012505
71302361355
oct335034771
9131032555
1057948665
112a78a765
12174a7135
13c00c368
1479a6465
155149e95
hex37439f9

57948665 has 16 divisors (see below), whose sum is σ = 73811088. Its totient is φ = 43524096.

The previous prime is 57948659. The next prime is 57948713. The reversal of 57948665 is 56684975.

It can be written as a sum of positive squares in 8 ways, for example, as 8048569 + 49900096 = 2837^2 + 7064^2 .

It is a cyclic number.

It is not a de Polignac number, because 57948665 - 212 = 57944569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56699 + ... + 57711.

It is an arithmetic number, because the mean of its divisors is an integer number (4613193).

Almost surely, 257948665 is an apocalyptic number.

It is an amenable number.

57948665 is a deficient number, since it is larger than the sum of its proper divisors (15862423).

57948665 is a wasteful number, since it uses less digits than its factorization.

57948665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708.

The product of its digits is 1814400, while the sum is 50.

The square root of 57948665 is about 7612.4020519150. The cubic root of 57948665 is about 386.9734283692.

The spelling of 57948665 in words is "fifty-seven million, nine hundred forty-eight thousand, six hundred sixty-five".

Divisors: 1 5 17 85 673 1013 3365 5065 11441 17221 57205 86105 681749 3408745 11589733 57948665