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679376853 = 32799471009
BaseRepresentation
bin101000011111100…
…111011111010101
31202100100220211200
4220133213133111
52342410024403
6151225223113
722556415351
oct5037473725
91670326750
10679376853
11319543981
1216b631a99
13aa99b44c
146632a461
153e99bca3
hex287e77d5

679376853 has 24 divisors (see below), whose sum is σ = 995779200. Its totient is φ = 446269824.

The previous prime is 679376813. The next prime is 679376861. The reversal of 679376853 is 358673976.

It is not a de Polignac number, because 679376853 - 214 = 679360469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 679376853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679376813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 672813 + ... + 673821.

It is an arithmetic number, because the mean of its divisors is an integer number (41490800).

Almost surely, 2679376853 is an apocalyptic number.

It is an amenable number.

679376853 is a deficient number, since it is larger than the sum of its proper divisors (316402347).

679376853 is a wasteful number, since it uses less digits than its factorization.

679376853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041 (or 2038 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The square root of 679376853 is about 26064.8585839248. The cubic root of 679376853 is about 879.0972375122.

The spelling of 679376853 in words is "six hundred seventy-nine million, three hundred seventy-six thousand, eight hundred fifty-three".

Divisors: 1 3 9 79 237 711 947 1009 2841 3027 8523 9081 74813 79711 224439 239133 673317 717399 955523 2866569 8599707 75486317 226458951 679376853