Base | Representation |
---|---|
bin | 11001101111101100111001 |
3 | 110200212212102 |
4 | 121233230321 |
5 | 3211431420 |
6 | 400353145 |
7 | 111236225 |
oct | 31575471 |
9 | 13625772 |
10 | 6748985 |
11 | 389a681 |
12 | 23157b5 |
13 | 1523ba9 |
14 | c79785 |
15 | 8d4a75 |
hex | 66fb39 |
6748985 has 12 divisors (see below), whose sum is σ = 8361444. Its totient is φ = 5225760.
The previous prime is 6748981. The next prime is 6748999. The reversal of 6748985 is 5898476.
It can be written as a sum of positive squares in 2 ways, for example, as 4414201 + 2334784 = 2101^2 + 1528^2 .
It is not a de Polignac number, because 6748985 - 22 = 6748981 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6748981) 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, 35240 + ... + 35430.
It is an arithmetic number, because the mean of its divisors is an integer number (696787).
Almost surely, 26748985 is an apocalyptic number.
It is an amenable number.
6748985 is a deficient number, since it is larger than the sum of its proper divisors (1612459).
6748985 is an equidigital number, since it uses as much as digits as its factorization.
6748985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 424 (or 233 counting only the distinct ones).
The product of its digits is 483840, while the sum is 47.
The square root of 6748985 is about 2597.8808671685. The cubic root of 6748985 is about 188.9786842696.
The spelling of 6748985 in words is "six million, seven hundred forty-eight thousand, nine hundred eighty-five".
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