Base | Representation |
---|---|
bin | 11110111101010001010100 |
3 | 120021022002002 |
4 | 132331101110 |
5 | 4034142114 |
6 | 445534432 |
7 | 125656502 |
oct | 36752124 |
9 | 16238062 |
10 | 8115284 |
11 | 4643151 |
12 | 2874418 |
13 | 18b1a58 |
14 | 1113672 |
15 | aa47de |
hex | 7bd454 |
8115284 has 12 divisors (see below), whose sum is σ = 14585844. Its totient is φ = 3947904.
The previous prime is 8115277. The next prime is 8115293. The reversal of 8115284 is 4825118.
It can be written as a sum of positive squares in 2 ways, for example, as 5895184 + 2220100 = 2428^2 + 1490^2 .
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27269 + ... + 27564.
It is an arithmetic number, because the mean of its divisors is an integer number (1215487).
Almost surely, 28115284 is an apocalyptic number.
It is an amenable number.
8115284 is a deficient number, since it is larger than the sum of its proper divisors (6470560).
8115284 is a wasteful number, since it uses less digits than its factorization.
8115284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54874 (or 54872 counting only the distinct ones).
The product of its digits is 2560, while the sum is 29.
The square root of 8115284 is about 2848.7337537931. The cubic root of 8115284 is about 200.9561218710.
The spelling of 8115284 in words is "eight million, one hundred fifteen thousand, two hundred eighty-four".
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