Base | Representation |
---|---|
bin | 10111111111010111110101 |
3 | 102211111201200 |
4 | 113333113311 |
5 | 3102221020 |
6 | 342443113 |
7 | 104311641 |
oct | 27772765 |
9 | 12744650 |
10 | 6288885 |
11 | 3605a29 |
12 | 2133499 |
13 | 13c2645 |
14 | b99c21 |
15 | 843590 |
hex | 5ff5f5 |
6288885 has 12 divisors (see below), whose sum is σ = 10900812. Its totient is φ = 3354048.
The previous prime is 6288881. The next prime is 6288889. The reversal of 6288885 is 5888826.
It is an interprime number because it is at equal distance from previous prime (6288881) and next prime (6288889).
It can be written as a sum of positive squares in 2 ways, for example, as 4498641 + 1790244 = 2121^2 + 1338^2 .
It is not a de Polignac number, because 6288885 - 22 = 6288881 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 139753 = 6288885 / (6 + 2 + 8 + 8 + 8 + 8 + 5).
It is a zygodrome in base 4.
It is a self number, because there is not a number n which added to its sum of digits gives 6288885.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6288881) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69832 + ... + 69921.
It is an arithmetic number, because the mean of its divisors is an integer number (908401).
Almost surely, 26288885 is an apocalyptic number.
It is an amenable number.
6288885 is a deficient number, since it is larger than the sum of its proper divisors (4611927).
6288885 is a wasteful number, since it uses less digits than its factorization.
6288885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139764 (or 139761 counting only the distinct ones).
The product of its digits is 245760, while the sum is 45.
The square root of 6288885 is about 2507.7649411378. The cubic root of 6288885 is about 184.5827949285.
The spelling of 6288885 in words is "six million, two hundred eighty-eight thousand, eight hundred eighty-five".
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