Base | Representation |
---|---|
bin | 1000101111001000100101 |
3 | 11022100120201 |
4 | 20233020211 |
5 | 1041241323 |
6 | 121030501 |
7 | 25316002 |
oct | 10571045 |
9 | 4270521 |
10 | 2290213 |
11 | 1324742 |
12 | 925431 |
13 | 622573 |
14 | 4388a9 |
15 | 3038ad |
hex | 22f225 |
2290213 has 2 divisors, whose sum is σ = 2290214. Its totient is φ = 2290212.
The previous prime is 2290207. The next prime is 2290231. The reversal of 2290213 is 3120922.
It is a happy number.
Together with next prime (2290231) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1304164 + 986049 = 1142^2 + 993^2 .
It is a cyclic number.
It is not a de Polignac number, because 2290213 - 25 = 2290181 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2290243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145106 + 1145107.
It is an arithmetic number, because the mean of its divisors is an integer number (1145107).
22290213 is an apocalyptic number.
It is an amenable number.
2290213 is a deficient number, since it is larger than the sum of its proper divisors (1).
2290213 is an equidigital number, since it uses as much as digits as its factorization.
2290213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 2290213 is about 1513.3449705867. The cubic root of 2290213 is about 131.8131155477.
The spelling of 2290213 in words is "two million, two hundred ninety thousand, two hundred thirteen".
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