Base | Representation |
---|---|
bin | 1001110101010… |
… | …11011111100000 |
3 | 12202012222212120 |
4 | 10322223133200 |
5 | 132104210420 |
6 | 12104024240 |
7 | 2021110410 |
oct | 472533740 |
9 | 182188776 |
10 | 82491360 |
11 | 42622a86 |
12 | 23762080 |
13 | 14123373 |
14 | ad54640 |
15 | 7396d40 |
hex | 4eab7e0 |
82491360 has 96 divisors (see below), whose sum is σ = 296980992. Its totient is φ = 18854400.
The previous prime is 82491359. The next prime is 82491391. The reversal of 82491360 is 6319428.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8916 + ... + 15635.
It is an arithmetic number, because the mean of its divisors is an integer number (3093552).
Almost surely, 282491360 is an apocalyptic number.
82491360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
82491360 is an abundant number, since it is smaller than the sum of its proper divisors (214489632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82491360 is a wasteful number, since it uses less digits than its factorization.
82491360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24576 (or 24568 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 33.
The square root of 82491360 is about 9082.4754334928. The cubic root of 82491360 is about 435.3141870751.
The spelling of 82491360 in words is "eighty-two million, four hundred ninety-one thousand, three hundred sixty".
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