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674869839 = 3771452629
BaseRepresentation
bin101000001110011…
…011001001001111
31202000212221101020
4220032123021033
52340231313324
6150544445223
722503204360
oct5016331117
91660787336
10674869839
11316a45776
1216a019813
13a9a80b87
14658b5b67
153e3ab679
hex2839b24f

674869839 has 16 divisors (see below), whose sum is σ = 1042859520. Its totient is φ = 380207520.

The previous prime is 674869813. The next prime is 674869849. The reversal of 674869839 is 938968476.

674869839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 674869839 - 212 = 674865743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674869849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224824 + ... + 227805.

It is an arithmetic number, because the mean of its divisors is an integer number (65178720).

Almost surely, 2674869839 is an apocalyptic number.

674869839 is a deficient number, since it is larger than the sum of its proper divisors (367989681).

674869839 is a wasteful number, since it uses less digits than its factorization.

674869839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452710.

The product of its digits is 15676416, while the sum is 60.

The square root of 674869839 is about 25978.2570431505. The cubic root of 674869839 is about 877.1489336803.

The spelling of 674869839 in words is "six hundred seventy-four million, eight hundred sixty-nine thousand, eight hundred thirty-nine".

Divisors: 1 3 7 21 71 213 497 1491 452629 1357887 3168403 9505209 32136659 96409977 224956613 674869839