Base | Representation |
---|---|
bin | 100101110110… |
… | …101000111001 |
3 | 200200010222022 |
4 | 211312220321 |
5 | 10020020004 |
6 | 552404225 |
7 | 150226256 |
oct | 45665071 |
9 | 20603868 |
10 | 9923129 |
11 | 5668437 |
12 | 33a6675 |
13 | 2095898 |
14 | 146442d |
15 | d102be |
hex | 976a39 |
9923129 has 2 divisors, whose sum is σ = 9923130. Its totient is φ = 9923128.
The previous prime is 9923113. The next prime is 9923167. The reversal of 9923129 is 9213299.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9909904 + 13225 = 3148^2 + 115^2 .
It is an emirp because it is prime and its reverse (9213299) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 9923129 - 24 = 9923113 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (9923029) 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, 4961564 + 4961565.
It is an arithmetic number, because the mean of its divisors is an integer number (4961565).
Almost surely, 29923129 is an apocalyptic number.
It is an amenable number.
9923129 is a deficient number, since it is larger than the sum of its proper divisors (1).
9923129 is an equidigital number, since it uses as much as digits as its factorization.
9923129 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 8748, while the sum is 35.
The square root of 9923129 is about 3150.0998396876. The cubic root of 9923129 is about 214.8900032254.
The spelling of 9923129 in words is "nine million, nine hundred twenty-three thousand, one hundred twenty-nine".
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