Base | Representation |
---|---|
bin | 101101110111… |
… | …110110001101 |
3 | 211121221111212 |
4 | 231313312031 |
5 | 11034301404 |
6 | 1105424205 |
7 | 204132656 |
oct | 55676615 |
9 | 24557455 |
10 | 12025229 |
11 | 6873807 |
12 | 403b065 |
13 | 2650628 |
14 | 185052d |
15 | 10c806e |
hex | b77d8d |
12025229 has 2 divisors, whose sum is σ = 12025230. Its totient is φ = 12025228.
The previous prime is 12025183. The next prime is 12025231. The reversal of 12025229 is 92252021.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11744329 + 280900 = 3427^2 + 530^2 .
It is an emirp because it is prime and its reverse (92252021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12025229 - 216 = 11959693 is a prime.
It is a super-2 number, since 2×120252292 = 289212265004882, which contains 22 as substring.
Together with 12025231, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12025129) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6012614 + 6012615.
It is an arithmetic number, because the mean of its divisors is an integer number (6012615).
Almost surely, 212025229 is an apocalyptic number.
It is an amenable number.
12025229 is a deficient number, since it is larger than the sum of its proper divisors (1).
12025229 is an equidigital number, since it uses as much as digits as its factorization.
12025229 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 12025229 is about 3467.7411956488. The cubic root of 12025229 is about 229.1031806216.
The spelling of 12025229 in words is "twelve million, twenty-five thousand, two hundred twenty-nine".
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