Search a number
-
+
57104757 = 3726111
BaseRepresentation
bin1101100111010…
…1100101110101
310222110020000000
43121311211311
5104104323012
65355541513
71262245113
oct331654565
9128406000
1057104757
112a263716
121715a899
13baa51c8
147826ab3
15502eddc
hex3675975

57104757 has 16 divisors (see below), whose sum is σ = 85647360. Its totient is φ = 38068380.

The previous prime is 57104687. The next prime is 57104771. The reversal of 57104757 is 75740175.

It is not a de Polignac number, because 57104757 - 212 = 57100661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57104777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10869 + ... + 15242.

It is an arithmetic number, because the mean of its divisors is an integer number (5352960).

Almost surely, 257104757 is an apocalyptic number.

It is an amenable number.

57104757 is a deficient number, since it is larger than the sum of its proper divisors (28542603).

57104757 is an frugal number, since it uses more digits than its factorization.

57104757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26132 (or 26114 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 36.

The square root of 57104757 is about 7556.7689524029. The cubic root of 57104757 is about 385.0857334230.

The spelling of 57104757 in words is "fifty-seven million, one hundred four thousand, seven hundred fifty-seven".

Divisors: 1 3 9 27 81 243 729 2187 26111 78333 234999 704997 2114991 6344973 19034919 57104757