Base | Representation |
---|---|
bin | 101010101101… |
… | …0010111101101 |
3 | 1120010112122122 |
4 | 1111122113231 |
5 | 21212442003 |
6 | 2115522325 |
7 | 361212464 |
oct | 125322755 |
9 | 46115578 |
10 | 22390253 |
11 | 11703146 |
12 | 75b93a5 |
13 | 483c392 |
14 | 2d8b9db |
15 | 1e74238 |
hex | 155a5ed |
22390253 has 2 divisors, whose sum is σ = 22390254. Its totient is φ = 22390252.
The previous prime is 22390213. The next prime is 22390267. The reversal of 22390253 is 35209322.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11546404 + 10843849 = 3398^2 + 3293^2 .
It is a cyclic number.
It is not a de Polignac number, because 22390253 - 212 = 22386157 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22390213) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11195126 + 11195127.
It is an arithmetic number, because the mean of its divisors is an integer number (11195127).
Almost surely, 222390253 is an apocalyptic number.
It is an amenable number.
22390253 is a deficient number, since it is larger than the sum of its proper divisors (1).
22390253 is an equidigital number, since it uses as much as digits as its factorization.
22390253 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3240, while the sum is 26.
The square root of 22390253 is about 4731.8339996242. The cubic root of 22390253 is about 281.8510564336.
Adding to 22390253 its reverse (35209322), we get a palindrome (57599575).
The spelling of 22390253 in words is "twenty-two million, three hundred ninety thousand, two hundred fifty-three".
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