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680683564 = 2211211711201
BaseRepresentation
bin101000100100100…
…110100000101100
31202102211022022101
4220210212200230
52343223333224
6151313224444
722603500121
oct5044464054
91672738271
10680683564
1131a256700
1216bb62124
13ab038152
146658a748
153eb59044
hex2892682c

680683564 has 36 divisors (see below), whose sum is σ = 1311540664. Its totient is φ = 308880000.

The previous prime is 680683547. The next prime is 680683573. The reversal of 680683564 is 465386086.

It is a super-2 number, since 2×6806835642 = 926660228599484192, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 566164 + ... + 567364.

Almost surely, 2680683564 is an apocalyptic number.

It is an amenable number.

680683564 is a deficient number, since it is larger than the sum of its proper divisors (630857100).

680683564 is a wasteful number, since it uses less digits than its factorization.

680683564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398 (or 2385 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The square root of 680683564 is about 26089.9130699970. The cubic root of 680683564 is about 879.6604940347.

The spelling of 680683564 in words is "six hundred eighty million, six hundred eighty-three thousand, five hundred sixty-four".

Divisors: 1 2 4 11 22 44 121 242 484 1171 1201 2342 2402 4684 4804 12881 13211 25762 26422 51524 52844 141691 145321 283382 290642 566764 581284 1406371 2812742 5625484 15470081 30940162 61880324 170170891 340341782 680683564