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675693 = 32193389
BaseRepresentation
bin10100100111101101101
31021022212200
42210331231
5133110233
622252113
75512644
oct2447555
91238780
10675693
11421727
12287039
131a8725
1413835b
15d5313
hexa4f6d

675693 has 12 divisors (see below), whose sum is σ = 983580. Its totient is φ = 446976.

The previous prime is 675643. The next prime is 675713. The reversal of 675693 is 396576.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 161604 + 514089 = 402^2 + 717^2 .

It is not a de Polignac number, because 675693 - 26 = 675629 is a prime.

It is a super-2 number, since 2×6756932 = 913122060498, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675643) 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, 1543 + ... + 1931.

It is an arithmetic number, because the mean of its divisors is an integer number (81965).

2675693 is an apocalyptic number.

It is an amenable number.

675693 is a deficient number, since it is larger than the sum of its proper divisors (307887).

675693 is a wasteful number, since it uses less digits than its factorization.

675693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 585 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 675693 is about 822.0054744343. The cubic root of 675693 is about 87.7505417942.

The spelling of 675693 in words is "six hundred seventy-five thousand, six hundred ninety-three".

Divisors: 1 3 9 193 389 579 1167 1737 3501 75077 225231 675693