Base | Representation |
---|---|
bin | 1001101000100… |
… | …00100011101000 |
3 | 12122001110222010 |
4 | 10310100203220 |
5 | 131141330133 |
6 | 12003555520 |
7 | 2000600220 |
oct | 464204350 |
9 | 178043863 |
10 | 80808168 |
11 | 41683411 |
12 | 2308bba0 |
13 | 139841ac |
14 | aa37080 |
15 | 7163263 |
hex | 4d108e8 |
80808168 has 32 divisors (see below), whose sum is σ = 230880960. Its totient is φ = 23088000.
The previous prime is 80808163. The next prime is 80808179. The reversal of 80808168 is 86180808.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (80808163) 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, 240333 + ... + 240668.
It is an arithmetic number, because the mean of its divisors is an integer number (7215030).
Almost surely, 280808168 is an apocalyptic number.
It is an amenable number.
80808168 is an abundant number, since it is smaller than the sum of its proper divisors (150072792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80808168 is a wasteful number, since it uses less digits than its factorization.
80808168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 481017 (or 481013 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 39.
The square root of 80808168 is about 8989.3363492529. The cubic root of 80808168 is about 432.3330336610. Note that the first 3 decimals are identical.
The spelling of 80808168 in words is "eighty million, eight hundred eight thousand, one hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •