Base | Representation |
---|---|
bin | 1001111000010… |
… | …01010011111010 |
3 | 12202221112000020 |
4 | 10330021103322 |
5 | 132204010032 |
6 | 12120151310 |
7 | 2024300643 |
oct | 474112372 |
9 | 182845006 |
10 | 82875642 |
11 | 42865773 |
12 | 23908536 |
13 | 14229255 |
14 | b0146ca |
15 | 7420b2c |
hex | 4f094fa |
82875642 has 8 divisors (see below), whose sum is σ = 165751296. Its totient is φ = 27625212.
The previous prime is 82875641. The next prime is 82875691. The reversal of 82875642 is 24657828.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
82875642 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 82875594 and 82875603.
It is not an unprimeable number, because it can be changed into a prime (82875641) 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, 6906298 + ... + 6906309.
It is an arithmetic number, because the mean of its divisors is an integer number (20718912).
Almost surely, 282875642 is an apocalyptic number.
82875642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82875642 is a wasteful number, since it uses less digits than its factorization.
82875642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13812612.
The product of its digits is 215040, while the sum is 42.
The square root of 82875642 is about 9103.6059888376. The cubic root of 82875642 is about 435.9891034788.
The spelling of 82875642 in words is "eighty-two million, eight hundred seventy-five thousand, six hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •