Base | Representation |
---|---|
bin | 1001101001110… |
… | …01010000010100 |
3 | 12122100221122012 |
4 | 10310321100110 |
5 | 131212143433 |
6 | 12011323352 |
7 | 2002163222 |
oct | 464712024 |
9 | 178327565 |
10 | 80974868 |
11 | 41787687 |
12 | 23150558 |
13 | 13a12030 |
14 | aa7bb12 |
15 | 7197848 |
hex | 4d39414 |
80974868 has 24 divisors (see below), whose sum is σ = 153312768. Its totient is φ = 37200096.
The previous prime is 80974853. The next prime is 80974871. The reversal of 80974868 is 86847908.
It is a congruent number.
It is an unprimeable number.
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, 8105 + ... + 15087.
It is an arithmetic number, because the mean of its divisors is an integer number (6388032).
Almost surely, 280974868 is an apocalyptic number.
It is an amenable number.
80974868 is a deficient number, since it is larger than the sum of its proper divisors (72337900).
80974868 is a wasteful number, since it uses less digits than its factorization.
80974868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7223 (or 7221 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 50.
The square root of 80974868 is about 8998.6036694589. The cubic root of 80974868 is about 432.6301175544.
The spelling of 80974868 in words is "eighty million, nine hundred seventy-four thousand, eight hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •