Base | Representation |
---|---|
bin | 111011011100… |
… | …0011011011110 |
3 | 2011122022010220 |
4 | 1312320123132 |
5 | 30434223001 |
6 | 3031542210 |
7 | 525614340 |
oct | 166703336 |
9 | 64568126 |
10 | 31164126 |
11 | 16656084 |
12 | a52a966 |
13 | 65c1b16 |
14 | 41d3290 |
15 | 2b08c36 |
hex | 1db86de |
31164126 has 32 divisors (see below), whose sum is σ = 74331648. Its totient is φ = 8516640.
The previous prime is 31164109. The next prime is 31164127. The reversal of 31164126 is 62146113.
It is a junction number, because it is equal to n+sod(n) for n = 31164096 and 31164105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31164127) 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, 15165 + ... + 17096.
It is an arithmetic number, because the mean of its divisors is an integer number (2322864).
Almost surely, 231164126 is an apocalyptic number.
31164126 is an abundant number, since it is smaller than the sum of its proper divisors (43167522).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31164126 is a wasteful number, since it uses less digits than its factorization.
31164126 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32296.
The product of its digits is 864, while the sum is 24.
The square root of 31164126 is about 5582.4838557760. The cubic root of 31164126 is about 314.6914792290.
The spelling of 31164126 in words is "thirty-one million, one hundred sixty-four thousand, one hundred twenty-six".
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