Base | Representation |
---|---|
bin | 11001011100001000011110 |
3 | 110112210220201 |
4 | 121130020132 |
5 | 3201400310 |
6 | 354534114 |
7 | 110453440 |
oct | 31341036 |
9 | 13483821 |
10 | 6668830 |
11 | 3845433 |
12 | 229733a |
13 | 14c656c |
14 | c58490 |
15 | 8bae3a |
hex | 65c21e |
6668830 has 32 divisors (see below), whose sum is σ = 14017536. Its totient is φ = 2236704.
The previous prime is 6668821. The next prime is 6668833. The reversal of 6668830 is 388666.
6668830 = T236 + T237 + ... + T375.
It is a self number, because there is not a number n which added to its sum of digits gives 6668830.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6668833) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2277 + ... + 4303.
It is an arithmetic number, because the mean of its divisors is an integer number (438048).
Almost surely, 26668830 is an apocalyptic number.
6668830 is an abundant number, since it is smaller than the sum of its proper divisors (7348706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6668830 is a wasteful number, since it uses less digits than its factorization.
6668830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2088.
The product of its (nonzero) digits is 41472, while the sum is 37.
The square root of 6668830 is about 2582.4077911902. The cubic root of 6668830 is about 188.2275613207.
The spelling of 6668830 in words is "six million, six hundred sixty-eight thousand, eight hundred thirty".
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