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680676 = 223131433
BaseRepresentation
bin10100110001011100100
31021120201020
42212023210
5133240201
622331140
75533323
oct2461344
91246636
10680676
11425447
12289ab0
131aaa89
1413a0ba
15d6a36
hexa62e4

680676 has 24 divisors (see below), whose sum is σ = 1604064. Its totient is φ = 224640.

The previous prime is 680657. The next prime is 680681. The reversal of 680676 is 676086.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680676.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1356 + ... + 1788.

It is an arithmetic number, because the mean of its divisors is an integer number (66836).

2680676 is an apocalyptic number.

It is an amenable number.

680676 is an abundant number, since it is smaller than the sum of its proper divisors (923388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680676 is a wasteful number, since it uses less digits than its factorization.

680676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 680676 is about 825.0309085119. The cubic root of 680676 is about 87.9657235655.

The spelling of 680676 in words is "six hundred eighty thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 12 131 262 393 433 524 786 866 1299 1572 1732 2598 5196 56723 113446 170169 226892 340338 680676