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57894053 = 769111969
BaseRepresentation
bin1101110011011…
…0010010100101
311000221022201012
43130312102211
5104310102203
65424512005
71302043220
oct334662245
9130838635
1057894053
112a752728
121747b605
13bcc0549
1479905b7
155138bd8
hex37364a5

57894053 has 8 divisors (see below), whose sum is σ = 66265920. Its totient is φ = 49547520.

The previous prime is 57894047. The next prime is 57894071. The reversal of 57894053 is 35049875.

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

It is a cyclic number.

It is not a de Polignac number, because 57894053 - 212 = 57889957 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57894053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57894953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1148 + ... + 10821.

It is an arithmetic number, because the mean of its divisors is an integer number (8283240).

Almost surely, 257894053 is an apocalyptic number.

It is an amenable number.

57894053 is a deficient number, since it is larger than the sum of its proper divisors (8371867).

57894053 is a wasteful number, since it uses less digits than its factorization.

57894053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12667.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 57894053 is about 7608.8141651640. The cubic root of 57894053 is about 386.8518262858.

The spelling of 57894053 in words is "fifty-seven million, eight hundred ninety-four thousand, fifty-three".

Divisors: 1 7 691 4837 11969 83783 8270579 57894053