Base | Representation |
---|---|
bin | 1001110010100… |
… | …00010110100111 |
3 | 12201112000210110 |
4 | 10321100112213 |
5 | 132010234210 |
6 | 12052024103 |
7 | 2014664145 |
oct | 471202647 |
9 | 181460713 |
10 | 82118055 |
11 | 42398568 |
12 | 23602033 |
13 | 14022486 |
14 | ac98595 |
15 | 7321420 |
hex | 4e505a7 |
82118055 has 16 divisors (see below), whose sum is σ = 131501664. Its totient is φ = 43758720.
The previous prime is 82117993. The next prime is 82118077. The reversal of 82118055 is 55081128.
It is not a de Polignac number, because 82118055 - 26 = 82117991 is a prime.
It is a congruent number.
It is an unprimeable number.
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, 30837 + ... + 33393.
It is an arithmetic number, because the mean of its divisors is an integer number (8218854).
Almost surely, 282118055 is an apocalyptic number.
82118055 is a deficient number, since it is larger than the sum of its proper divisors (49383609).
82118055 is a wasteful number, since it uses less digits than its factorization.
82118055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4706.
The product of its (nonzero) digits is 3200, while the sum is 30.
The square root of 82118055 is about 9061.9012905681. The cubic root of 82118055 is about 434.6565395624.
The spelling of 82118055 in words is "eighty-two million, one hundred eighteen thousand, fifty-five".
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