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57953690 = 255795369
BaseRepresentation
bin1101110100010…
…0110110011010
311001001100111222
43131010312122
5104314004230
65430052042
71302412124
oct335046632
9131040458
1057953690
112a793513
12174aa022
13c011732
1479a8214
15514b6e5
hex3744d9a

57953690 has 8 divisors (see below), whose sum is σ = 104316660. Its totient is φ = 23181472.

The previous prime is 57953681. The next prime is 57953713. The reversal of 57953690 is 9635975.

It can be written as a sum of positive squares in 2 ways, for example, as 56987401 + 966289 = 7549^2 + 983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×579536902 = 6717260369232200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2897675 + ... + 2897694.

Almost surely, 257953690 is an apocalyptic number.

57953690 is a deficient number, since it is larger than the sum of its proper divisors (46362970).

57953690 is a wasteful number, since it uses less digits than its factorization.

57953690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5795376.

The product of its (nonzero) digits is 255150, while the sum is 44.

The square root of 57953690 is about 7612.7320982680. The cubic root of 57953690 is about 386.9846134717.

The spelling of 57953690 in words is "fifty-seven million, nine hundred fifty-three thousand, six hundred ninety".

Divisors: 1 2 5 10 5795369 11590738 28976845 57953690