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715057 = 7214593
BaseRepresentation
bin10101110100100110001
31100022212121
42232210301
5140340212
623154241
76035500
oct2564461
91308777
10715057
11449262
122a5981
131c0615
14148837
15e1d07
hexae931

715057 has 6 divisors (see below), whose sum is σ = 831858. Its totient is φ = 612864.

The previous prime is 715049. The next prime is 715063. The reversal of 715057 is 750517.

715057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 461041 + 254016 = 679^2 + 504^2 .

It is not a de Polignac number, because 715057 - 23 = 715049 is a prime.

It is a super-2 number, since 2×7150572 = 1022613026498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7248 + ... + 7345.

It is an arithmetic number, because the mean of its divisors is an integer number (138643).

2715057 is an apocalyptic number.

It is an amenable number.

715057 is a deficient number, since it is larger than the sum of its proper divisors (116801).

715057 is a wasteful number, since it uses less digits than its factorization.

715057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14607 (or 14600 counting only the distinct ones).

The product of its (nonzero) digits is 1225, while the sum is 25.

The square root of 715057 is about 845.6104303992. The cubic root of 715057 is about 89.4225165038.

The spelling of 715057 in words is "seven hundred fifteen thousand, fifty-seven".

Divisors: 1 7 49 14593 102151 715057