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680949224 = 23233123851
BaseRepresentation
bin101000100101100…
…111010111101000
31202110022210201122
4220211213113220
52343310333344
6151323034412
722605654464
oct5045472750
91673283648
10680949224
1131a41825a
1217006ba08
13ab0cc047
14666194a4
153ebacaee
hex289675e8

680949224 has 48 divisors (see below), whose sum is σ = 1377012960. Its totient is φ = 315084000.

The previous prime is 680949209. The next prime is 680949233. The reversal of 680949224 is 422949086.

It is a happy number.

680949224 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 11 ways as a sum of consecutive naturals, for example, 174899 + ... + 178749.

It is an arithmetic number, because the mean of its divisors is an integer number (28687770).

Almost surely, 2680949224 is an apocalyptic number.

It is an amenable number.

680949224 is an abundant number, since it is smaller than the sum of its proper divisors (696063736).

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

680949224 is a wasteful number, since it uses less digits than its factorization.

680949224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942 (or 3907 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 680949224 is about 26095.0038129907. The cubic root of 680949224 is about 879.7749183300.

The spelling of 680949224 in words is "six hundred eighty million, nine hundred forty-nine thousand, two hundred twenty-four".

Divisors: 1 2 4 8 23 31 46 62 92 124 184 248 713 961 1426 1922 2852 3844 3851 5704 7688 7702 15404 22103 30808 44206 88412 88573 119381 176824 177146 238762 354292 477524 708584 955048 2745763 3700811 5491526 7401622 10983052 14803244 21966104 29606488 85118653 170237306 340474612 680949224