Base | Representation |
---|---|
bin | 101110001101… |
… | …1100101000001 |
3 | 1200121000121011 |
4 | 1130123211001 |
5 | 22200331314 |
6 | 2223200521 |
7 | 412645003 |
oct | 134334501 |
9 | 50530534 |
10 | 24230209 |
11 | 1274a573 |
12 | 8146141 |
13 | 5034a03 |
14 | 330a373 |
15 | 21d94c4 |
hex | 171b941 |
24230209 has 2 divisors, whose sum is σ = 24230210. Its totient is φ = 24230208.
The previous prime is 24230191. The next prime is 24230243. The reversal of 24230209 is 90203242.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 23425600 + 804609 = 4840^2 + 897^2 .
It is a cyclic number.
It is not a de Polignac number, because 24230209 - 215 = 24197441 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 24230209.
It is not a weakly prime, because it can be changed into another prime (24230279) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12115104 + 12115105.
It is an arithmetic number, because the mean of its divisors is an integer number (12115105).
Almost surely, 224230209 is an apocalyptic number.
It is an amenable number.
24230209 is a deficient number, since it is larger than the sum of its proper divisors (1).
24230209 is an equidigital number, since it uses as much as digits as its factorization.
24230209 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 24230209 is about 4922.4190191409. The cubic root of 24230209 is about 289.3692553753.
The spelling of 24230209 in words is "twenty-four million, two hundred thirty thousand, two hundred nine".
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