Base | Representation |
---|---|
bin | 1111101100001… |
… | …11010001111001 |
3 | 100011200022001221 |
4 | 13312013101321 |
5 | 232144013410 |
6 | 21021112041 |
7 | 3155542402 |
oct | 766072171 |
9 | 304608057 |
10 | 131626105 |
11 | 68332706 |
12 | 380b8621 |
13 | 21367990 |
14 | 136a49a9 |
15 | b8504da |
hex | 7d87479 |
131626105 has 32 divisors (see below), whose sum is σ = 175301280. Its totient is φ = 94279680.
The previous prime is 131626067. The next prime is 131626151. The reversal of 131626105 is 501626131.
It can be written as a sum of positive squares in 16 ways, for example, as 105083001 + 26543104 = 10251^2 + 5152^2 .
It is not a de Polignac number, because 131626105 - 215 = 131593337 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 131626105.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352699 + ... + 353071.
It is an arithmetic number, because the mean of its divisors is an integer number (5478165).
Almost surely, 2131626105 is an apocalyptic number.
It is an amenable number.
131626105 is a deficient number, since it is larger than the sum of its proper divisors (43675175).
131626105 is a wasteful number, since it uses less digits than its factorization.
131626105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 541.
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 131626105 is about 11472.8420628892. The cubic root of 131626105 is about 508.6831399196.
The spelling of 131626105 in words is "one hundred thirty-one million, six hundred twenty-six thousand, one hundred five".
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