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675857 = 72131061
BaseRepresentation
bin10100101000000010001
31021100002202
42211000101
5133111412
622252545
75513300
oct2450021
91240082
10675857
11421866
12287155
131a8820
14138437
15d53c2
hexa5011

675857 has 12 divisors (see below), whose sum is σ = 847476. Its totient is φ = 534240.

The previous prime is 675841. The next prime is 675859. The reversal of 675857 is 758576.

It can be written as a sum of positive squares in 2 ways, for example, as 261121 + 414736 = 511^2 + 644^2 .

It is not a de Polignac number, because 675857 - 24 = 675841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 675857.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 675857.

It is not an unprimeable number, because it can be changed into a prime (675859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107 + ... + 1167.

It is an arithmetic number, because the mean of its divisors is an integer number (70623).

2675857 is an apocalyptic number.

It is an amenable number.

675857 is a deficient number, since it is larger than the sum of its proper divisors (171619).

675857 is a wasteful number, since it uses less digits than its factorization.

675857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1081 counting only the distinct ones).

The product of its digits is 58800, while the sum is 38.

The square root of 675857 is about 822.1052244087. The cubic root of 675857 is about 87.7576406417.

The spelling of 675857 in words is "six hundred seventy-five thousand, eight hundred fifty-seven".

Divisors: 1 7 13 49 91 637 1061 7427 13793 51989 96551 675857