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676534979 = 31673071061
BaseRepresentation
bin101000010100110…
…001101011000011
31202011000112112002
4220110301223003
52341143104404
6151044254215
722523311121
oct5024615303
91664015462
10676534979
1131798281a
1216a6a136b
13aa214a73
1465bca911
153e5d9c1e
hex28531ac3

676534979 has 16 divisors (see below), whose sum is σ = 711760896. Its totient is φ = 642232800.

The previous prime is 676534951. The next prime is 676534993. The reversal of 676534979 is 979435676.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-676534979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676534279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637109 + ... + 638169.

It is an arithmetic number, because the mean of its divisors is an integer number (44485056).

Almost surely, 2676534979 is an apocalyptic number.

676534979 is a deficient number, since it is larger than the sum of its proper divisors (35225917).

676534979 is a wasteful number, since it uses less digits than its factorization.

676534979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466.

The product of its digits is 8573040, while the sum is 56.

The square root of 676534979 is about 26010.2860230333. The cubic root of 676534979 is about 877.8697522661.

The spelling of 676534979 in words is "six hundred seventy-six million, five hundred thirty-four thousand, nine hundred seventy-nine".

Divisors: 1 31 67 307 1061 2077 9517 20569 32891 71087 325727 637639 2203697 10097537 21823709 676534979