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680676156 = 223359106823
BaseRepresentation
bin101000100100100…
…100101100111100
31202102210221011000
4220210210230330
52343223114111
6151313130300
722603436406
oct5044445474
91672727130
10680676156
1131a251086
1216bb59990
13ab034974
1466587b76
153eb56c56
hex28924b3c

680676156 has 48 divisors (see below), whose sum is σ = 1794643200. Its totient is φ = 223044336.

The previous prime is 680676119. The next prime is 680676167. The reversal of 680676156 is 651676086.

It is a congruent number.

It is an unprimeable number.

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, 47040 + ... + 59783.

It is an arithmetic number, because the mean of its divisors is an integer number (37388400).

Almost surely, 2680676156 is an apocalyptic number.

It is an amenable number.

680676156 is an abundant number, since it is smaller than the sum of its proper divisors (1113967044).

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

680676156 is a wasteful number, since it uses less digits than its factorization.

680676156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106895 (or 106887 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 680676156 is about 26089.7710990342. The cubic root of 680676156 is about 879.6573028560.

The spelling of 680676156 in words is "six hundred eighty million, six hundred seventy-six thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 59 108 118 177 236 354 531 708 1062 1593 2124 3186 6372 106823 213646 320469 427292 640938 961407 1281876 1922814 2884221 3845628 5768442 6302557 11536884 12605114 18907671 25210228 37815342 56723013 75630684 113446026 170169039 226892052 340338078 680676156