Base | Representation |
---|---|
bin | 101011111100… |
… | …1010010111001 |
3 | 1121100121121010 |
4 | 1113321102321 |
5 | 21344304314 |
6 | 2141504133 |
7 | 366563352 |
oct | 127712271 |
9 | 47317533 |
10 | 23041209 |
11 | 12008224 |
12 | 7872049 |
13 | 4a09769 |
14 | 30bad29 |
15 | 2052059 |
hex | 15f94b9 |
23041209 has 8 divisors (see below), whose sum is σ = 31142752. Its totient is φ = 15150240.
The previous prime is 23041201. The next prime is 23041223. The reversal of 23041209 is 90214032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23041209 - 23 = 23041201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23041201) 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, 52387 + ... + 52824.
It is an arithmetic number, because the mean of its divisors is an integer number (3892844).
Almost surely, 223041209 is an apocalyptic number.
It is an amenable number.
23041209 is a deficient number, since it is larger than the sum of its proper divisors (8101543).
23041209 is a wasteful number, since it uses less digits than its factorization.
23041209 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105287.
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 23041209 is about 4800.1259358479. The cubic root of 23041209 is about 284.5564414527.
The spelling of 23041209 in words is "twenty-three million, forty-one thousand, two hundred nine".
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