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679056745 = 5377997479
BaseRepresentation
bin101000011110011…
…001010101101001
31202022202122201211
4220132121111221
52342314303440
6151214313121
722553613163
oct5036312551
91668678654
10679056745
11319345424
1216b4b87a1
13aa8b8833
1466285933
153e936eea
hex28799569

679056745 has 32 divisors (see below), whose sum is σ = 858009600. Its totient is φ = 515414016.

The previous prime is 679056743. The next prime is 679056769. The reversal of 679056745 is 547650976.

679056745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 679056745 - 21 = 679056743 is a prime.

It is a super-2 number, since 2×6790567452 = 922236125859990050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (679056743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1417416 + ... + 1417894.

It is an arithmetic number, because the mean of its divisors is an integer number (26812800).

Almost surely, 2679056745 is an apocalyptic number.

It is an amenable number.

679056745 is a deficient number, since it is larger than the sum of its proper divisors (178952855).

679056745 is a wasteful number, since it uses less digits than its factorization.

679056745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The square root of 679056745 is about 26058.7172554598. The cubic root of 679056745 is about 878.9591451479.

The spelling of 679056745 in words is "six hundred seventy-nine million, fifty-six thousand, seven hundred forty-five".

Divisors: 1 5 37 79 97 185 395 479 485 2395 2923 3589 7663 14615 17723 17945 37841 38315 46463 88615 189205 232315 283531 1400117 1417655 1719131 3670577 7000585 8595655 18352885 135811349 679056745