Base | Representation |
---|---|
bin | 1000001000111… |
… | …11000010011000 |
3 | 11202111012211002 |
4 | 10010133002120 |
5 | 114440101233 |
6 | 10435324132 |
7 | 1456260242 |
oct | 404370230 |
9 | 152435732 |
10 | 68284568 |
11 | 355aa230 |
12 | 1aa50648 |
13 | 111baa91 |
14 | 90d7092 |
15 | 5edc6e8 |
hex | 411f098 |
68284568 has 32 divisors (see below), whose sum is σ = 144184320. Its totient is φ = 30036000.
The previous prime is 68284477. The next prime is 68284583. The reversal of 68284568 is 86548286.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9788 + ... + 15243.
It is an arithmetic number, because the mean of its divisors is an integer number (4505760).
Almost surely, 268284568 is an apocalyptic number.
It is an amenable number.
68284568 is an abundant number, since it is smaller than the sum of its proper divisors (75899752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68284568 is a wasteful number, since it uses less digits than its factorization.
68284568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25079 (or 25075 counting only the distinct ones).
The product of its digits is 737280, while the sum is 47.
The square root of 68284568 is about 8263.4477066174. The cubic root of 68284568 is about 408.7340846768.
The spelling of 68284568 in words is "sixty-eight million, two hundred eighty-four thousand, five hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •