Base | Representation |
---|---|
bin | 1001100101011… |
… | …10101100000001 |
3 | 12121022010002001 |
4 | 10302232230001 |
5 | 131041013142 |
6 | 11551224001 |
7 | 1664310415 |
oct | 462565401 |
9 | 177263061 |
10 | 80407297 |
11 | 4142a213 |
12 | 22b18001 |
13 | 138738a9 |
14 | a970d45 |
15 | 70d45b7 |
hex | 4caeb01 |
80407297 has 16 divisors (see below), whose sum is σ = 90452160. Its totient is φ = 71027712.
The previous prime is 80407289. The next prime is 80407309. The reversal of 80407297 is 79270408.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 80407297 - 23 = 80407289 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80407267) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35398 + ... + 37600.
It is an arithmetic number, because the mean of its divisors is an integer number (5653260).
Almost surely, 280407297 is an apocalyptic number.
It is an amenable number.
80407297 is a deficient number, since it is larger than the sum of its proper divisors (10044863).
80407297 is a wasteful number, since it uses less digits than its factorization.
80407297 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2352.
The product of its (nonzero) digits is 28224, while the sum is 37.
The square root of 80407297 is about 8967.0115980744. The cubic root of 80407297 is about 431.6169461838.
The spelling of 80407297 in words is "eighty million, four hundred seven thousand, two hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •