Base | Representation |
---|---|
bin | 11001010010101101000000 |
3 | 110110211221021 |
4 | 121102231000 |
5 | 3144131313 |
6 | 354035224 |
7 | 110233024 |
oct | 31225500 |
9 | 13424837 |
10 | 6630208 |
11 | 3819412 |
12 | 2278b14 |
13 | 14b1b00 |
14 | c48384 |
15 | 8ae78d |
hex | 652b40 |
6630208 has 42 divisors (see below), whose sum is σ = 14269974. Its totient is φ = 3055104.
The previous prime is 6630203. The next prime is 6630223. The reversal of 6630208 is 8020366.
It can be written as a sum of positive squares in 3 ways, for example, as 831744 + 5798464 = 912^2 + 2408^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6630203) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10510 + ... + 11122.
Almost surely, 26630208 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6630208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7134987).
6630208 is an abundant number, since it is smaller than the sum of its proper divisors (7639766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6630208 is a wasteful number, since it uses less digits than its factorization.
6630208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 651 (or 628 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 6630208 is about 2574.9190278531. The cubic root of 6630208 is about 187.8634892514.
The spelling of 6630208 in words is "six million, six hundred thirty thousand, two hundred eight".
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