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679448711 = 5316378649
BaseRepresentation
bin101000011111111…
…001000010000111
31202100111120102002
4220133321002013
52342414324321
6151230535515
722560135014
oct5037710207
91670446362
10679448711
11319592967
1216b66759b
13aa9c5076
146634870b
153e9b320b
hex287f9087

679448711 has 8 divisors (see below), whose sum is σ = 696524400. Its totient is φ = 662530752.

The previous prime is 679448701. The next prime is 679448729. The reversal of 679448711 is 117844976.

It is a happy number.

679448711 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-679448711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679448701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30686 + ... + 47963.

It is an arithmetic number, because the mean of its divisors is an integer number (87065550).

Almost surely, 2679448711 is an apocalyptic number.

679448711 is a deficient number, since it is larger than the sum of its proper divisors (17075689).

679448711 is a wasteful number, since it uses less digits than its factorization.

679448711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78865.

The product of its digits is 338688, while the sum is 47.

The square root of 679448711 is about 26066.2369934749. The cubic root of 679448711 is about 879.1282305916.

The spelling of 679448711 in words is "six hundred seventy-nine million, four hundred forty-eight thousand, seven hundred eleven".

Divisors: 1 53 163 8639 78649 4168397 12819787 679448711