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680014674 = 232191988347
BaseRepresentation
bin101000100010000…
…011001101010010
31202101120022202200
4220202003031102
52343040432144
6151251024030
722565013033
oct5042031522
91671508680
10680014674
1131993a0a9
1216b89b016
13aab62861
1466454a8a
153ea75c69
hex28883352

680014674 has 24 divisors (see below), whose sum is σ = 1550911440. Its totient is φ = 214741368.

The previous prime is 680014669. The next prime is 680014697. The reversal of 680014674 is 476410086.

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, 993832 + ... + 994515.

It is an arithmetic number, because the mean of its divisors is an integer number (64621310).

Almost surely, 2680014674 is an apocalyptic number.

680014674 is an abundant number, since it is smaller than the sum of its proper divisors (870896766).

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

680014674 is a wasteful number, since it uses less digits than its factorization.

680014674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988374 (or 1988371 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 680014674 is about 26077.0909803989. The cubic root of 680014674 is about 879.3722597860.

The spelling of 680014674 in words is "six hundred eighty million, fourteen thousand, six hundred seventy-four".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 1988347 3976694 5965041 11930082 17895123 35790246 37778593 75557186 113335779 226671558 340007337 680014674