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57860642 = 274132903
BaseRepresentation
bin1101110010111…
…0001000100010
311000212121212202
43130232020202
5104303020032
65424053202
71301543630
oct334561042
9130777782
1057860642
112a72a614
1217464202
13bcab288
147982350
15512dd62
hex372e222

57860642 has 8 divisors (see below), whose sum is σ = 99189696. Its totient is φ = 24797412.

The previous prime is 57860611. The next prime is 57860653. The reversal of 57860642 is 24606875.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 57860596 and 57860605.

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, 2066438 + ... + 2066465.

It is an arithmetic number, because the mean of its divisors is an integer number (12398712).

Almost surely, 257860642 is an apocalyptic number.

57860642 is a deficient number, since it is larger than the sum of its proper divisors (41329054).

57860642 is a wasteful number, since it uses less digits than its factorization.

57860642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4132912.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 57860642 is about 7606.6183025047. The cubic root of 57860642 is about 386.7773938073. Note that the first 3 decimals are identical.

The spelling of 57860642 in words is "fifty-seven million, eight hundred sixty thousand, six hundred forty-two".

Divisors: 1 2 7 14 4132903 8265806 28930321 57860642