Base | Representation |
---|---|
bin | 101001001101… |
… | …101100101001 |
3 | 202022220022111 |
4 | 221031230221 |
5 | 10231212014 |
6 | 1023322321 |
7 | 160555366 |
oct | 51155451 |
9 | 22286274 |
10 | 10804009 |
11 | 610a237 |
12 | 37503a1 |
13 | 2313808 |
14 | 161346d |
15 | e362c4 |
hex | a4db29 |
10804009 has 2 divisors, whose sum is σ = 10804010. Its totient is φ = 10804008.
The previous prime is 10804007. The next prime is 10804019. The reversal of 10804009 is 90040801.
10804009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10208025 + 595984 = 3195^2 + 772^2 .
It is a cyclic number.
It is not a de Polignac number, because 10804009 - 21 = 10804007 is a prime.
It is a super-2 number, since 2×108040092 = 233453220944162, which contains 22 as substring.
Together with 10804007, 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 (10804007) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5402004 + 5402005.
It is an arithmetic number, because the mean of its divisors is an integer number (5402005).
Almost surely, 210804009 is an apocalyptic number.
It is an amenable number.
10804009 is a deficient number, since it is larger than the sum of its proper divisors (1).
10804009 is an equidigital number, since it uses as much as digits as its factorization.
10804009 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 22.
The square root of 10804009 is about 3286.9452383634. The cubic root of 10804009 is about 221.0692370577.
The spelling of 10804009 in words is "ten million, eight hundred four thousand, nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •