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680575896 = 23327211131971
BaseRepresentation
bin101000100100001…
…100001110011000
31202102121211121200
4220210030032120
52343211412041
6151311034200
722602541200
oct5044141630
91672554550
10680575896
1131a192820
1216bb0b960
13aaccb140
146655d400
153eb371b6
hex2890c398

680575896 has 576 divisors, whose sum is σ = 2688940800. Its totient is φ = 152409600.

The previous prime is 680575879. The next prime is 680575897. The reversal of 680575896 is 698575086.

680575896 is a `hidden beast` number, since 6 + 8 + 0 + 57 + 589 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680575897) by changing a digit.

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 143 ways as a sum of consecutive naturals, for example, 9585541 + ... + 9585611.

It is an arithmetic number, because the mean of its divisors is an integer number (4668300).

Almost surely, 2680575896 is an apocalyptic number.

680575896 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680575896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344470400).

680575896 is an abundant number, since it is smaller than the sum of its proper divisors (2008364904).

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

680575896 is a wasteful number, since it uses less digits than its factorization.

680575896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The square root of 680575896 is about 26087.8495855829. The cubic root of 680575896 is about 879.6141111116.

The spelling of 680575896 in words is "six hundred eighty million, five hundred seventy-five thousand, eight hundred ninety-six".