Base | Representation |
---|---|
bin | 1000101001111011000101 |
3 | 11021021022012 |
4 | 20221323011 |
5 | 1040100434 |
6 | 120344005 |
7 | 25166531 |
oct | 10517305 |
9 | 4237265 |
10 | 2268869 |
11 | 130a6a9 |
12 | 915005 |
13 | 615935 |
14 | 430bc1 |
15 | 2ec3ce |
hex | 229ec5 |
2268869 has 2 divisors, whose sum is σ = 2268870. Its totient is φ = 2268868.
The previous prime is 2268863. The next prime is 2268887. The reversal of 2268869 is 9688622.
2268869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2265025 + 3844 = 1505^2 + 62^2 .
It is a cyclic number.
It is not a de Polignac number, because 2268869 - 24 = 2268853 is a prime.
It is a super-2 number, since 2×22688692 = 10295533078322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2268863) 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 as a sum of consecutive naturals, namely, 1134434 + 1134435.
It is an arithmetic number, because the mean of its divisors is an integer number (1134435).
22268869 is an apocalyptic number.
It is an amenable number.
2268869 is a deficient number, since it is larger than the sum of its proper divisors (1).
2268869 is an equidigital number, since it uses as much as digits as its factorization.
2268869 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 82944, while the sum is 41.
The square root of 2268869 is about 1506.2765350360. The cubic root of 2268869 is about 131.4023524866.
The spelling of 2268869 in words is "two million, two hundred sixty-eight thousand, eight hundred sixty-nine".
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