Base | Representation |
---|---|
bin | 11010000010100000000100 |
3 | 110211210111101 |
4 | 122002200010 |
5 | 3221412423 |
6 | 402145444 |
7 | 112006561 |
oct | 32024004 |
9 | 13753441 |
10 | 6825988 |
11 | 3942514 |
12 | 2352284 |
13 | 154cc60 |
14 | c99868 |
15 | 8ec7ad |
hex | 682804 |
6825988 has 24 divisors (see below), whose sum is σ = 12965400. Its totient is φ = 3125760.
The previous prime is 6825979. The next prime is 6825989. The reversal of 6825988 is 8895286.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 262144 + 6563844 = 512^2 + 2562^2 .
It is a super-2 number, since 2×68259882 = 93188224352288, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (6825989) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7308 + ... + 8188.
It is an arithmetic number, because the mean of its divisors is an integer number (540225).
Almost surely, 26825988 is an apocalyptic number.
It is an amenable number.
6825988 is a deficient number, since it is larger than the sum of its proper divisors (6139412).
6825988 is a wasteful number, since it uses less digits than its factorization.
6825988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1047 (or 1045 counting only the distinct ones).
The product of its digits is 276480, while the sum is 46.
The square root of 6825988 is about 2612.6591817533. The cubic root of 6825988 is about 189.6946897162.
It can be divided in two parts, 682 and 5988, that added together give a triangular number (6670 = T115).
The spelling of 6825988 in words is "six million, eight hundred twenty-five thousand, nine hundred eighty-eight".
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