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679707069 = 3713191113
BaseRepresentation
bin101000100000111…
…000000110111101
31202100222200210220
4220200320012331
52343001111234
6151240251553
722562262156
oct5040700675
91670880726
10679707069
11319749a88
1216b770bb9
13aaa85842
14663b492d
153ea14a49
hex288381bd

679707069 has 8 divisors (see below), whose sum is σ = 919040832. Its totient is φ = 446755680.

The previous prime is 679707029. The next prime is 679707071. The reversal of 679707069 is 960707976.

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

It is not a de Polignac number, because 679707069 - 211 = 679705021 is a prime.

It is a super-2 number, since 2×6797070692 = 924003399297141522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679707019) 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 7 ways as a sum of consecutive naturals, for example, 1595344 + ... + 1595769.

It is an arithmetic number, because the mean of its divisors is an integer number (114880104).

Almost surely, 2679707069 is an apocalyptic number.

It is an amenable number.

679707069 is a deficient number, since it is larger than the sum of its proper divisors (239333763).

679707069 is a wasteful number, since it uses less digits than its factorization.

679707069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191187.

The product of its (nonzero) digits is 1000188, while the sum is 51.

The square root of 679707069 is about 26071.1923202603. The cubic root of 679707069 is about 879.2396449512.

The spelling of 679707069 in words is "six hundred seventy-nine million, seven hundred seven thousand, sixty-nine".

Divisors: 1 3 71 213 3191113 9573339 226569023 679707069