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57642695 = 5111048049
BaseRepresentation
bin1101101111100…
…0111011000111
311000110112220122
43123320323013
5104224031240
65415252155
71266645335
oct333707307
9130415818
1057642695
112a5a08a0
121737a05b
13bc33006
147926b55
1550d94b5
hex36f8ec7

57642695 has 8 divisors (see below), whose sum is σ = 75459600. Its totient is φ = 41921920.

The previous prime is 57642667. The next prime is 57642703. The reversal of 57642695 is 59624675.

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

It is not a de Polignac number, because 57642695 - 212 = 57638599 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523970 + ... + 524079.

It is an arithmetic number, because the mean of its divisors is an integer number (9432450).

Almost surely, 257642695 is an apocalyptic number.

57642695 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57642695 is a deficient number, since it is larger than the sum of its proper divisors (17816905).

57642695 is a wasteful number, since it uses less digits than its factorization.

57642695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048065.

The product of its digits is 453600, while the sum is 44.

The square root of 57642695 is about 7592.2786434640. The cubic root of 57642695 is about 386.2911505750.

The spelling of 57642695 in words is "fifty-seven million, six hundred forty-two thousand, six hundred ninety-five".

Divisors: 1 5 11 55 1048049 5240245 11528539 57642695