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679823768 = 23136536767
BaseRepresentation
bin101000100001010…
…100100110011000
31202101012121220002
4220201110212120
52343013330033
6151242552132
722563256331
oct5041244630
91671177802
10679823768
11319819728
1216b808648
13aaac69b0
1466405288
153ea393e8
hex28854998

679823768 has 16 divisors (see below), whose sum is σ = 1372721280. Its totient is φ = 313764768.

The previous prime is 679823759. The next prime is 679823773. The reversal of 679823768 is 867328976.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3268280 + ... + 3268487.

It is an arithmetic number, because the mean of its divisors is an integer number (85795080).

Almost surely, 2679823768 is an apocalyptic number.

It is an amenable number.

679823768 is an abundant number, since it is smaller than the sum of its proper divisors (692897512).

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

679823768 is a wasteful number, since it uses less digits than its factorization.

679823768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6536786 (or 6536782 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 56.

The square root of 679823768 is about 26073.4303074989. The cubic root of 679823768 is about 879.2899609968.

The spelling of 679823768 in words is "six hundred seventy-nine million, eight hundred twenty-three thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 13 26 52 104 6536767 13073534 26147068 52294136 84977971 169955942 339911884 679823768