Base | Representation |
---|---|
bin | 1001110010101… |
… | …01110001111010 |
3 | 12201120011021200 |
4 | 10321111301322 |
5 | 132011442112 |
6 | 12052315030 |
7 | 2015116020 |
oct | 471256172 |
9 | 181504250 |
10 | 82140282 |
11 | 42403234 |
12 | 23612a76 |
13 | 1402c623 |
14 | aca2710 |
15 | 7327cdc |
hex | 4e55c7a |
82140282 has 48 divisors (see below), whose sum is σ = 206748672. Its totient is φ = 23081760.
The previous prime is 82140281. The next prime is 82140283. The reversal of 82140282 is 28204128.
It is an interprime number because it is at equal distance from previous prime (82140281) and next prime (82140283).
It is not an unprimeable number, because it can be changed into a prime (82140281) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2343 + ... + 13029.
It is an arithmetic number, because the mean of its divisors is an integer number (4307264).
Almost surely, 282140282 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 82140282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103374336).
82140282 is an abundant number, since it is smaller than the sum of its proper divisors (124608390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82140282 is a wasteful number, since it uses less digits than its factorization.
82140282 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10763 (or 10760 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 27.
The square root of 82140282 is about 9063.1276058544. The cubic root of 82140282 is about 434.6957523737.
The spelling of 82140282 in words is "eighty-two million, one hundred forty thousand, two hundred eighty-two".
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