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57682641 = 319227547
BaseRepresentation
bin1101110000001…
…0101011010001
311000112120201010
43130002223101
5104231321031
65420201133
71300202652
oct334025321
9130476633
1057682641
112a618905
12173991a9
13bc48253
147937529
1550e6246
hex3702ad1

57682641 has 4 divisors (see below), whose sum is σ = 76910192. Its totient is φ = 38455092.

The previous prime is 57682633. The next prime is 57682673. The reversal of 57682641 is 14628675.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 57682641 - 23 = 57682633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57682641.

It is not an unprimeable number, because it can be changed into a prime (57682631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9613771 + ... + 9613776.

It is an arithmetic number, because the mean of its divisors is an integer number (19227548).

Almost surely, 257682641 is an apocalyptic number.

It is an amenable number.

57682641 is a deficient number, since it is larger than the sum of its proper divisors (19227551).

57682641 is a wasteful number, since it uses less digits than its factorization.

57682641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19227550.

The product of its digits is 80640, while the sum is 39.

The square root of 57682641 is about 7594.9088868794. The cubic root of 57682641 is about 386.3803623603.

The spelling of 57682641 in words is "fifty-seven million, six hundred eighty-two thousand, six hundred forty-one".

Divisors: 1 3 19227547 57682641