Base | Representation |
---|---|
bin | 101001100110… |
… | …010101001101 |
3 | 202112000201112 |
4 | 221212111031 |
5 | 10242424114 |
6 | 1025421405 |
7 | 161455511 |
oct | 51462515 |
9 | 22460645 |
10 | 10904909 |
11 | 6179024 |
12 | 379a865 |
13 | 234a712 |
14 | 163c141 |
15 | e5613e |
hex | a6654d |
10904909 has 8 divisors (see below), whose sum is σ = 11296152. Its totient is φ = 10520640.
The previous prime is 10904897. The next prime is 10904941. The reversal of 10904909 is 90940901.
10904909 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 2941225 + 7963684 = 1715^2 + 2822^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10904909 - 216 = 10839373 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10904989) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1547 + ... + 4919.
It is an arithmetic number, because the mean of its divisors is an integer number (1412019).
Almost surely, 210904909 is an apocalyptic number.
It is an amenable number.
10904909 is a deficient number, since it is larger than the sum of its proper divisors (391243).
10904909 is an equidigital number, since it uses as much as digits as its factorization.
10904909 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3487.
The product of its (nonzero) digits is 2916, while the sum is 32.
The square root of 10904909 is about 3302.2581667701. The cubic root of 10904909 is about 221.7553035265.
The spelling of 10904909 in words is "ten million, nine hundred four thousand, nine hundred nine".
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