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680822903 = 3742314349
BaseRepresentation
bin101000100101001…
…000100001110111
31202110002101110002
4220211020201313
52343242313103
6151320221515
722604620265
oct5045104167
91673071402
10680822903
1131a341362
1217000a89b
13ab0866b7
14665c5435
153eb85488
hex28948877

680822903 has 8 divisors (see below), whose sum is σ = 699549600. Its totient is φ = 662113440.

The previous prime is 680822897. The next prime is 680822927. The reversal of 680822903 is 309228086.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 680822903 - 24 = 680822887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680822963) 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 7 ways as a sum of consecutive naturals, for example, 154373 + ... + 158721.

It is an arithmetic number, because the mean of its divisors is an integer number (87443700).

Almost surely, 2680822903 is an apocalyptic number.

680822903 is a deficient number, since it is larger than the sum of its proper divisors (18726697).

680822903 is a wasteful number, since it uses less digits than its factorization.

680822903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8617.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 680822903 is about 26092.5832948752. The cubic root of 680822903 is about 879.7205134316.

The spelling of 680822903 in words is "six hundred eighty million, eight hundred twenty-two thousand, nine hundred three".

Divisors: 1 37 4231 4349 156547 160913 18400619 680822903