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680794804 = 22839202859
BaseRepresentation
bin101000100101000…
…001101010110100
31202110000221220101
4220211001222310
52343240413204
6151315443444
722604442334
oct5045015264
91673027811
10680794804
1131a322238
1216bbb6584
13ab076981
14665b90c4
153eb7bea4
hex28941ab4

680794804 has 12 divisors (see below), whose sum is σ = 1192816800. Its totient is φ = 339990008.

The previous prime is 680794771. The next prime is 680794867. The reversal of 680794804 is 408497086.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98074 + ... + 104785.

It is an arithmetic number, because the mean of its divisors is an integer number (99401400).

Almost surely, 2680794804 is an apocalyptic number.

It is an amenable number.

680794804 is a deficient number, since it is larger than the sum of its proper divisors (512021996).

680794804 is a wasteful number, since it uses less digits than its factorization.

680794804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203702 (or 203700 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 680794804 is about 26092.0448412921. The cubic root of 680794804 is about 879.7084106235.

The spelling of 680794804 in words is "six hundred eighty million, seven hundred ninety-four thousand, eight hundred four".

Divisors: 1 2 4 839 1678 3356 202859 405718 811436 170198701 340397402 680794804