Base | Representation |
---|---|
bin | 1001110010101… |
… | …10101101000100 |
3 | 12201120100110220 |
4 | 10321112231010 |
5 | 132012102233 |
6 | 12052344340 |
7 | 2015133036 |
oct | 471265504 |
9 | 181510426 |
10 | 82144068 |
11 | 42406066 |
12 | 236150b0 |
13 | 14031276 |
14 | aca3c56 |
15 | 7328eb3 |
hex | 4e56b44 |
82144068 has 48 divisors (see below), whose sum is σ = 213635520. Its totient is φ = 24413184.
The previous prime is 82144067. The next prime is 82144093. The reversal of 82144068 is 86044128.
It is not an unprimeable number, because it can be changed into a prime (82144067) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6721 + ... + 14472.
It is an arithmetic number, because the mean of its divisors is an integer number (4450740).
Almost surely, 282144068 is an apocalyptic number.
It is an amenable number.
82144068 is an abundant number, since it is smaller than the sum of its proper divisors (131491452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82144068 is a wasteful number, since it uses less digits than its factorization.
82144068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21236 (or 21234 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 33.
The square root of 82144068 is about 9063.3364717415. The cubic root of 82144068 is about 434.7024309192.
The spelling of 82144068 in words is "eighty-two million, one hundred forty-four thousand, sixty-eight".
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