Base | Representation |
---|---|
bin | 11110100001001000110111 |
3 | 120001110000100 |
4 | 132201020313 |
5 | 4022000210 |
6 | 443245143 |
7 | 124666530 |
oct | 36411067 |
9 | 16043010 |
10 | 8000055 |
11 | 4574618 |
12 | 28197b3 |
13 | 187147b |
14 | 10c3687 |
15 | a805c0 |
hex | 7a1237 |
8000055 has 48 divisors (see below), whose sum is σ = 16061760. Its totient is φ = 3608064.
The previous prime is 8000053. The next prime is 8000063. The reversal of 8000055 is 5500008.
8000055 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 8000055 - 21 = 8000053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8000051) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34219 + ... + 34451.
It is an arithmetic number, because the mean of its divisors is an integer number (334620).
Almost surely, 28000055 is an apocalyptic number.
8000055 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
8000055 is a wasteful number, since it uses less digits than its factorization.
8000055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 360 (or 357 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 18.
The square root of 8000055 is about 2828.4368474477. The cubic root of 8000055 is about 200.0004583323. Note that the first 3 decimals are identical.
The spelling of 8000055 in words is "eight million, fifty-five", and thus it is an aban number and an uban number.
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