Base | Representation |
---|---|
bin | 1001110001110… |
… | …11001110010011 |
3 | 12201100122001222 |
4 | 10320323032103 |
5 | 132000002012 |
6 | 12050115255 |
7 | 2014153625 |
oct | 470731623 |
9 | 181318058 |
10 | 82031507 |
11 | 42339538 |
12 | 2357bb2b |
13 | 13cc1c6c |
14 | ac74c15 |
15 | 7305972 |
hex | 4e3b393 |
82031507 has 2 divisors, whose sum is σ = 82031508. Its totient is φ = 82031506.
The previous prime is 82031491. The next prime is 82031527. The reversal of 82031507 is 70513028.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 82031507 - 24 = 82031491 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (82031527) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41015753 + 41015754.
It is an arithmetic number, because the mean of its divisors is an integer number (41015754).
Almost surely, 282031507 is an apocalyptic number.
82031507 is a deficient number, since it is larger than the sum of its proper divisors (1).
82031507 is an equidigital number, since it uses as much as digits as its factorization.
82031507 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1680, while the sum is 26.
The square root of 82031507 is about 9057.1246541052. The cubic root of 82031507 is about 434.5037843697.
The spelling of 82031507 in words is "eighty-two million, thirty-one thousand, five hundred seven".
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