Base | Representation |
---|---|
bin | 1001110010100… |
… | …00011100011000 |
3 | 12201112001022010 |
4 | 10321100130120 |
5 | 132010242144 |
6 | 12052025520 |
7 | 2014665213 |
oct | 471203430 |
9 | 181461263 |
10 | 82118424 |
11 | 42398873 |
12 | 236022a0 |
13 | 140226ab |
14 | ac9877a |
15 | 73215b9 |
hex | 4e50718 |
82118424 has 32 divisors (see below), whose sum is σ = 205528320. Its totient is φ = 27341856.
The previous prime is 82118423. The next prime is 82118461. The reversal of 82118424 is 42481128.
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 82118391 and 82118400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82118423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31557 + ... + 34059.
It is an arithmetic number, because the mean of its divisors is an integer number (6422760).
Almost surely, 282118424 is an apocalyptic number.
It is an amenable number.
82118424 is an abundant number, since it is smaller than the sum of its proper divisors (123409896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82118424 is a wasteful number, since it uses less digits than its factorization.
82118424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3879 (or 3875 counting only the distinct ones).
The product of its digits is 4096, while the sum is 30.
The square root of 82118424 is about 9061.9216505110. The cubic root of 82118424 is about 434.6571906089.
The spelling of 82118424 in words is "eighty-two million, one hundred eighteen thousand, four hundred twenty-four".
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