Base | Representation |
---|---|
bin | 11111000011010100000110 |
3 | 120022120000220 |
4 | 133003110012 |
5 | 4040440123 |
6 | 450245210 |
7 | 126121614 |
oct | 37032406 |
9 | 16276026 |
10 | 8140038 |
11 | 465a805 |
12 | 2886806 |
13 | 18c00ba |
14 | 111c6b4 |
15 | aabce3 |
hex | 7c3506 |
8140038 has 16 divisors (see below), whose sum is σ = 16367616. Its totient is φ = 2698760.
The previous prime is 8140009. The next prime is 8140043. The reversal of 8140038 is 8300418.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2406 + ... + 4697.
It is an arithmetic number, because the mean of its divisors is an integer number (1022976).
Almost surely, 28140038 is an apocalyptic number.
8140038 is an abundant number, since it is smaller than the sum of its proper divisors (8227578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8140038 is a wasteful number, since it uses less digits than its factorization.
8140038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7299.
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 8140038 is about 2853.0751830262. The cubic root of 8140038 is about 201.1602395389.
The spelling of 8140038 in words is "eight million, one hundred forty thousand, thirty-eight".
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