Base | Representation |
---|---|
bin | 1001110010011… |
… | …01111011111010 |
3 | 12201111112012202 |
4 | 10321031323322 |
5 | 132004430104 |
6 | 12051510202 |
7 | 2014623242 |
oct | 471157372 |
9 | 181445182 |
10 | 82108154 |
11 | 42391087 |
12 | 235b8362 |
13 | 1401ab0b |
14 | ac94b22 |
15 | 731d51e |
hex | 4e4defa |
82108154 has 16 divisors (see below), whose sum is σ = 126379008. Its totient is φ = 39990192.
The previous prime is 82108141. The next prime is 82108157. The reversal of 82108154 is 45180128.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (82108157) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19004 + ... + 22920.
It is an arithmetic number, because the mean of its divisors is an integer number (7898688).
Almost surely, 282108154 is an apocalyptic number.
82108154 is a deficient number, since it is larger than the sum of its proper divisors (44270854).
82108154 is a wasteful number, since it uses less digits than its factorization.
82108154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4189.
The product of its (nonzero) digits is 2560, while the sum is 29.
The square root of 82108154 is about 9061.3549759404. The cubic root of 82108154 is about 434.6390699679.
The spelling of 82108154 in words is "eighty-two million, one hundred eight thousand, one hundred fifty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •