Base | Representation |
---|---|
bin | 1010000001111… |
… | …0101111000101 |
3 | 2221011022201122 |
4 | 2200132233011 |
5 | 41232201213 |
6 | 4101403325 |
7 | 1020402644 |
oct | 240365705 |
9 | 87138648 |
10 | 42068933 |
11 | 21824015 |
12 | 12109545 |
13 | 893c47a |
14 | 583135b |
15 | 3a5ed08 |
hex | 281ebc5 |
42068933 has 2 divisors, whose sum is σ = 42068934. Its totient is φ = 42068932.
The previous prime is 42068927. The next prime is 42068959. The reversal of 42068933 is 33986024.
It is a happy number.
42068933 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., 21836929 + 20232004 = 4673^2 + 4498^2 .
It is a cyclic number.
It is not a de Polignac number, because 42068933 - 218 = 41806789 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 42068893 and 42068902.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (42064933) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21034466 + 21034467.
It is an arithmetic number, because the mean of its divisors is an integer number (21034467).
Almost surely, 242068933 is an apocalyptic number.
It is an amenable number.
42068933 is a deficient number, since it is larger than the sum of its proper divisors (1).
42068933 is an equidigital number, since it uses as much as digits as its factorization.
42068933 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 31104, while the sum is 35.
The square root of 42068933 is about 6486.0568144289. The cubic root of 42068933 is about 347.7927295481.
The spelling of 42068933 in words is "forty-two million, sixty-eight thousand, nine hundred thirty-three".
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