Base | Representation |
---|---|
bin | 101000011110011… |
… | …101110100111011 |
3 | 1202022210120221210 |
4 | 220132131310323 |
5 | 2342320401011 |
6 | 151214534203 |
7 | 22554020610 |
oct | 5036356473 |
9 | 1668716853 |
10 | 679075131 |
11 | 319358219 |
12 | 16b507363 |
13 | aa8c4007 |
14 | 6628c507 |
15 | 3e93c6a6 |
hex | 2879dd3b |
679075131 has 16 divisors (see below), whose sum is σ = 1035514368. Its totient is φ = 387768000.
The previous prime is 679075063. The next prime is 679075153. The reversal of 679075131 is 131570976.
It is not a de Polignac number, because 679075131 - 219 = 678550843 is a prime.
It is a super-2 number, since 2×6790751312 = 922286067085334322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 679075131.
It is not an unprimeable number, because it can be changed into a prime (679075531) 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, 21031 + ... + 42431.
It is an arithmetic number, because the mean of its divisors is an integer number (64719648).
Almost surely, 2679075131 is an apocalyptic number.
679075131 is a deficient number, since it is larger than the sum of its proper divisors (356439237).
679075131 is a wasteful number, since it uses less digits than its factorization.
679075131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22922.
The product of its (nonzero) digits is 39690, while the sum is 39.
The square root of 679075131 is about 26059.0700332917. The cubic root of 679075131 is about 878.9670779150.
The spelling of 679075131 in words is "six hundred seventy-nine million, seventy-five thousand, one hundred thirty-one".
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