Base | Representation |
---|---|
bin | 101000000110111… |
… | …100110000111110 |
3 | 1201220012101112100 |
4 | 220012330300332 |
5 | 2334231113043 |
6 | 150434445530 |
7 | 22450433616 |
oct | 5006746076 |
9 | 1656171470 |
10 | 672910398 |
11 | 3159275a6 |
12 | 1694338a6 |
13 | a9546044 |
14 | 65525a46 |
15 | 3e120cd3 |
hex | 281bcc3e |
672910398 has 48 divisors (see below), whose sum is σ = 1492873200. Its totient is φ = 218989440.
The previous prime is 672910393. The next prime is 672910417. The reversal of 672910398 is 893019276.
672910398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (672910393) 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, 150418 + ... + 154826.
It is an arithmetic number, because the mean of its divisors is an integer number (31101525).
Almost surely, 2672910398 is an apocalyptic number.
672910398 is an abundant number, since it is smaller than the sum of its proper divisors (819962802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
672910398 is a wasteful number, since it uses less digits than its factorization.
672910398 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4617 (or 4614 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 45.
The square root of 672910398 is about 25940.5165330222. The cubic root of 672910398 is about 876.2991956658.
The spelling of 672910398 in words is "six hundred seventy-two million, nine hundred ten thousand, three hundred ninety-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •