Base | Representation |
---|---|
bin | 101010010101… |
… | …1111111100001 |
3 | 1112202220001221 |
4 | 1110223333201 |
5 | 21140402124 |
6 | 2111455041 |
7 | 356461606 |
oct | 124537741 |
9 | 45686057 |
10 | 22200289 |
11 | 11593451 |
12 | 7527481 |
13 | 47a3a87 |
14 | 2d3c6ad |
15 | 1e37ce4 |
hex | 152bfe1 |
22200289 has 2 divisors, whose sum is σ = 22200290. Its totient is φ = 22200288.
The previous prime is 22200287. The next prime is 22200307. The reversal of 22200289 is 98200222.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 21316689 + 883600 = 4617^2 + 940^2 .
It is a cyclic number.
It is not a de Polignac number, because 22200289 - 21 = 22200287 is a prime.
Together with 22200287, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (22200281) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100144 + 11100145.
It is an arithmetic number, because the mean of its divisors is an integer number (11100145).
Almost surely, 222200289 is an apocalyptic number.
It is an amenable number.
22200289 is a deficient number, since it is larger than the sum of its proper divisors (1).
22200289 is an equidigital number, since it uses as much as digits as its factorization.
22200289 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 22200289 is about 4711.7182640731. The cubic root of 22200289 is about 281.0516953391.
The spelling of 22200289 in words is "twenty-two million, two hundred thousand, two hundred eighty-nine".
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