Base | Representation |
---|---|
bin | 1001011011101… |
… | …11000101010101 |
3 | 12111220021021111 |
4 | 10231313011111 |
5 | 130224142330 |
6 | 11504015021 |
7 | 1650413344 |
oct | 455670525 |
9 | 174807244 |
10 | 79130965 |
11 | 407382a1 |
12 | 22601471 |
13 | 13517974 |
14 | a71bb5b |
15 | 6e3132a |
hex | 4b77155 |
79130965 has 16 divisors (see below), whose sum is σ = 97720128. Its totient is φ = 61479936.
The previous prime is 79130959. The next prime is 79130981. The reversal of 79130965 is 56903197.
It is a cyclic number.
It is not a de Polignac number, because 79130965 - 27 = 79130837 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40542 + ... + 42448.
It is an arithmetic number, because the mean of its divisors is an integer number (6107508).
Almost surely, 279130965 is an apocalyptic number.
It is an amenable number.
79130965 is a deficient number, since it is larger than the sum of its proper divisors (18589163).
79130965 is a wasteful number, since it uses less digits than its factorization.
79130965 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2148.
The product of its (nonzero) digits is 51030, while the sum is 40.
The square root of 79130965 is about 8895.5587233181. The cubic root of 79130965 is about 429.3210214670.
It can be divided in two parts, 79 and 130965, that added together give a square (131044 = 3622).
The spelling of 79130965 in words is "seventy-nine million, one hundred thirty thousand, nine hundred sixty-five".
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