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680849196 = 223259321881
BaseRepresentation
bin101000100101001…
…110111100101100
31202110010201111220
4220211032330230
52343244133241
6151320543340
722605060036
oct5045167454
91673121456
10680849196
1131a35a095
12170021b50
13ab095661
14665d0c56
153eb8d166
hex2894ef2c

680849196 has 24 divisors (see below), whose sum is σ = 1589333424. Its totient is φ = 226851840.

The previous prime is 680849189. The next prime is 680849219. The reversal of 680849196 is 691948086.

It is a happy number.

680849196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20176 + ... + 42056.

It is an arithmetic number, because the mean of its divisors is an integer number (66222226).

Almost surely, 2680849196 is an apocalyptic number.

It is an amenable number.

680849196 is an abundant number, since it is smaller than the sum of its proper divisors (908484228).

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

680849196 is a wasteful number, since it uses less digits than its factorization.

680849196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24481 (or 24479 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 680849196 is about 26093.0871305026. The cubic root of 680849196 is about 879.7318380573.

The spelling of 680849196 in words is "six hundred eighty million, eight hundred forty-nine thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 2593 5186 7779 10372 15558 21881 31116 43762 65643 87524 131286 262572 56737433 113474866 170212299 226949732 340424598 680849196