Base | Representation |
---|---|
bin | 100000000010… |
… | …001001001001 |
3 | 120210122001021 |
4 | 200002021021 |
5 | 4122204020 |
6 | 455552441 |
7 | 131243113 |
oct | 40021111 |
9 | 16718037 |
10 | 8397385 |
11 | 4816097 |
12 | 298b721 |
13 | 1980289 |
14 | 11883b3 |
15 | b0d1aa |
hex | 802249 |
8397385 has 12 divisors (see below), whose sum is σ = 10441548. Its totient is φ = 6483008.
The previous prime is 8397379. The next prime is 8397391. The reversal of 8397385 is 5837938.
It is a happy number.
8397385 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (8397379) and next prime (8397391).
It can be written as a sum of positive squares in 6 ways, for example, as 1042441 + 7354944 = 1021^2 + 2712^2 .
It is not a de Polignac number, because 8397385 - 23 = 8397377 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3207 + ... + 5203.
It is an arithmetic number, because the mean of its divisors is an integer number (870129).
Almost surely, 28397385 is an apocalyptic number.
It is an amenable number.
8397385 is a deficient number, since it is larger than the sum of its proper divisors (2044163).
8397385 is a wasteful number, since it uses less digits than its factorization.
8397385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2060 (or 2031 counting only the distinct ones).
The product of its digits is 181440, while the sum is 43.
The square root of 8397385 is about 2897.8241837627. The cubic root of 8397385 is about 203.2581749159.
The spelling of 8397385 in words is "eight million, three hundred ninety-seven thousand, three hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.091 sec. • engine limits •