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680692 = 221671019
BaseRepresentation
bin10100110001011110100
31021120201211
42212023310
5133240232
622331204
75533345
oct2461364
91246654
10680692
11425461
12289b04
131aaa9c
1413a0cc
15d6a47
hexa62f4

680692 has 12 divisors (see below), whose sum is σ = 1199520. Its totient is φ = 337976.

The previous prime is 680681. The next prime is 680707. The reversal of 680692 is 296086.

680692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159 + ... + 1177.

It is an arithmetic number, because the mean of its divisors is an integer number (99960).

2680692 is an apocalyptic number.

It is an amenable number.

680692 is a deficient number, since it is larger than the sum of its proper divisors (518828).

680692 is a wasteful number, since it uses less digits than its factorization.

680692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 680692 is about 825.0406050614. The cubic root of 680692 is about 87.9664128021.

The spelling of 680692 in words is "six hundred eighty thousand, six hundred ninety-two".

Divisors: 1 2 4 167 334 668 1019 2038 4076 170173 340346 680692