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682940680 = 235169710061
BaseRepresentation
bin101000101101001…
…101100100001000
31202121001222111021
4220231031210020
52344313100210
6151433442224
722631620462
oct5055154410
91677058437
10682940680
11320558494
12170870374
13ab648616
14669b7132
153ee52bda
hex28b4d908

682940680 has 32 divisors (see below), whose sum is σ = 1537674840. Its totient is φ = 272988160.

The previous prime is 682940653. The next prime is 682940717. The reversal of 682940680 is 86049286.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 671120836 + 11819844 = 25906^2 + 3438^2 .

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, 62850 + ... + 72910.

Almost surely, 2682940680 is an apocalyptic number.

It is an amenable number.

682940680 is an abundant number, since it is smaller than the sum of its proper divisors (854734160).

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

682940680 is a wasteful number, since it uses less digits than its factorization.

682940680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11769 (or 11765 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 682940680 is about 26133.1337577413. The cubic root of 682940680 is about 880.6317261459.

The spelling of 682940680 in words is "six hundred eighty-two million, nine hundred forty thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 1697 3394 6788 8485 10061 13576 16970 20122 33940 40244 50305 67880 80488 100610 201220 402440 17073517 34147034 68294068 85367585 136588136 170735170 341470340 682940680