Base | Representation |
---|---|
bin | 1001110001111… |
… | …01000110010110 |
3 | 12201101000121112 |
4 | 10320331012112 |
5 | 132000223230 |
6 | 12050215022 |
7 | 2014215212 |
oct | 470750626 |
9 | 181330545 |
10 | 82039190 |
11 | 42344292 |
12 | 23584472 |
13 | 13cc55cc |
14 | ac77942 |
15 | 7307d95 |
hex | 4e3d196 |
82039190 has 16 divisors (see below), whose sum is σ = 148735440. Its totient is φ = 32579040.
The previous prime is 82039189. The next prime is 82039193. The reversal of 82039190 is 9193028.
It is a super-2 number, since 2×820391902 = 13460857391712200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82039193) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28121 + ... + 30900.
It is an arithmetic number, because the mean of its divisors is an integer number (9295965).
Almost surely, 282039190 is an apocalyptic number.
82039190 is a deficient number, since it is larger than the sum of its proper divisors (66696250).
82039190 is a wasteful number, since it uses less digits than its factorization.
82039190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59167.
The product of its (nonzero) digits is 3888, while the sum is 32.
The square root of 82039190 is about 9057.5487854055. The cubic root of 82039190 is about 434.5173490292.
The spelling of 82039190 in words is "eighty-two million, thirty-nine thousand, one hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •