Base | Representation |
---|---|
bin | 1001110101000… |
… | …00111100111100 |
3 | 12202010210122121 |
4 | 10322200330330 |
5 | 132101320223 |
6 | 12103052324 |
7 | 2020540504 |
oct | 472407474 |
9 | 182123577 |
10 | 82448188 |
11 | 425a35a9 |
12 | 237410a4 |
13 | 14109814 |
14 | ad42a04 |
15 | 738915d |
hex | 4ea0f3c |
82448188 has 12 divisors (see below), whose sum is σ = 144427752. Its totient is φ = 41183120.
The previous prime is 82448183. The next prime is 82448207. The reversal of 82448188 is 88184428.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82448183) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5470 + ... + 13957.
It is an arithmetic number, because the mean of its divisors is an integer number (12035646).
Almost surely, 282448188 is an apocalyptic number.
It is an amenable number.
82448188 is a deficient number, since it is larger than the sum of its proper divisors (61979564).
82448188 is a wasteful number, since it uses less digits than its factorization.
82448188 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20492 (or 20490 counting only the distinct ones).
The product of its digits is 131072, while the sum is 43.
The square root of 82448188 is about 9080.0984576160. The cubic root of 82448188 is about 435.2382330052.
The spelling of 82448188 in words is "eighty-two million, four hundred forty-eight thousand, one hundred eighty-eight".
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