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683880659 = 71128131607
BaseRepresentation
bin101000110000110…
…011000011010011
31202122211201220022
4220300303003103
52400033140114
6151505534055
722642614110
oct5060630323
91678751808
10683880659
1132103a730
1217104432b
13ab8b7417
1466b7d907
154008b48e
hex28c330d3

683880659 has 16 divisors (see below), whose sum is σ = 855691776. Its totient is φ = 530980800.

The previous prime is 683880629. The next prime is 683880671. The reversal of 683880659 is 956088386.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-683880659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 683880659.

It is not an unprimeable number, because it can be changed into a prime (683880619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5834 + ... + 37440.

It is an arithmetic number, because the mean of its divisors is an integer number (53480736).

Almost surely, 2683880659 is an apocalyptic number.

683880659 is a deficient number, since it is larger than the sum of its proper divisors (171811117).

683880659 is a wasteful number, since it uses less digits than its factorization.

683880659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31906.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The square root of 683880659 is about 26151.1120031252. The cubic root of 683880659 is about 881.0355659271.

The spelling of 683880659 in words is "six hundred eighty-three million, eight hundred eighty thousand, six hundred fifty-nine".

Divisors: 1 7 11 77 281 1967 3091 21637 31607 221249 347677 2433739 8881567 62170969 97697237 683880659