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680984486 = 27132287821
BaseRepresentation
bin101000100101101…
…111111110100110
31202110101121002122
4220211233332212
52343313000421
6151323505542
722606162340
oct5045577646
91673347078
10680984486
1131a4417a6
121700882b2
13ab112100
1466628290
153ebb82ab
hex2896ffa6

680984486 has 24 divisors (see below), whose sum is σ = 1264114224. Its totient is φ = 269399520.

The previous prime is 680984477. The next prime is 680984489. The reversal of 680984486 is 684489086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680984489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141545 + ... + 146276.

It is an arithmetic number, because the mean of its divisors is an integer number (52671426).

Almost surely, 2680984486 is an apocalyptic number.

680984486 is a deficient number, since it is larger than the sum of its proper divisors (583129738).

680984486 is a wasteful number, since it uses less digits than its factorization.

680984486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287856 (or 287843 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 53.

The square root of 680984486 is about 26095.6794508210. The cubic root of 680984486 is about 879.7901040378.

The spelling of 680984486 in words is "six hundred eighty million, nine hundred eighty-four thousand, four hundred eighty-six".

Divisors: 1 2 7 13 14 26 91 169 182 338 1183 2366 287821 575642 2014747 3741673 4029494 7483346 26191711 48641749 52383422 97283498 340492243 680984486