Base | Representation |
---|---|
bin | 100010011010… |
… | …111000100001 |
3 | 121222102020112 |
4 | 202122320201 |
5 | 4302214014 |
6 | 521221105 |
7 | 136460102 |
oct | 42327041 |
9 | 17872215 |
10 | 9023009 |
11 | 5103136 |
12 | 3031795 |
13 | 1b3bc78 |
14 | 12ac3a9 |
15 | bd373e |
hex | 89ae21 |
9023009 has 2 divisors, whose sum is σ = 9023010. Its totient is φ = 9023008.
The previous prime is 9022999. The next prime is 9023011. The reversal of 9023009 is 9003209.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7006609 + 2016400 = 2647^2 + 1420^2 .
It is an emirp because it is prime and its reverse (9003209) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 9023009 - 28 = 9022753 is a prime.
Together with 9023011, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (9023029) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4511504 + 4511505.
It is an arithmetic number, because the mean of its divisors is an integer number (4511505).
Almost surely, 29023009 is an apocalyptic number.
It is an amenable number.
9023009 is a deficient number, since it is larger than the sum of its proper divisors (1).
9023009 is an equidigital number, since it uses as much as digits as its factorization.
9023009 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 486, while the sum is 23.
The square root of 9023009 is about 3003.8323854703. The cubic root of 9023009 is about 208.1854931214.
The spelling of 9023009 in words is "nine million, twenty-three thousand, nine".
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