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679303976 = 23136531769
BaseRepresentation
bin101000011111010…
…101101100101000
31202100020012212112
4220133111230220
52342400211401
6151223501452
722555663031
oct5037255450
91670205775
10679303976
113194a414a
1216b5b7888
13aa974220
146630ba88
153e9853bb
hex287d5b28

679303976 has 16 divisors (see below), whose sum is σ = 1371671700. Its totient is φ = 313524864.

The previous prime is 679303973. The next prime is 679303987.

679303976 is nontrivially palindromic in base 10.

679303976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 666156100 + 13147876 = 25810^2 + 3626^2 .

It is a super-2 number, since 2×6793039762 = 922907783618817152, which contains 22 as substring.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (679303973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3265781 + ... + 3265988.

Almost surely, 2679303976 is an apocalyptic number.

It is an amenable number.

679303976 is an abundant number, since it is smaller than the sum of its proper divisors (692367724).

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

679303976 is a wasteful number, since it uses less digits than its factorization.

679303976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6531788 (or 6531784 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 50.

The square root of 679303976 is about 26063.4605530425. The cubic root of 679303976 is about 879.0658026956.

The spelling of 679303976 in words is "six hundred seventy-nine million, three hundred three thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 13 26 52 104 6531769 13063538 26127076 52254152 84912997 169825994 339651988 679303976