Base | Representation |
---|---|
bin | 101101111100… |
… | …111111010001 |
3 | 211200000101212 |
4 | 231330333101 |
5 | 11040440124 |
6 | 1110105505 |
7 | 204251243 |
oct | 55747721 |
9 | 24600355 |
10 | 12046289 |
11 | 6888612 |
12 | 404b295 |
13 | 265a0a8 |
14 | 1858093 |
15 | 10ce40e |
hex | b7cfd1 |
12046289 has 2 divisors, whose sum is σ = 12046290. Its totient is φ = 12046288.
The previous prime is 12046271. The next prime is 12046291. The reversal of 12046289 is 98264021.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10029889 + 2016400 = 3167^2 + 1420^2 .
It is an emirp because it is prime and its reverse (98264021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12046289 - 28 = 12046033 is a prime.
It is a super-2 number, since 2×120462892 = 290226157343042, which contains 22 as substring.
Together with 12046291, 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 (12046249) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6023144 + 6023145.
It is an arithmetic number, because the mean of its divisors is an integer number (6023145).
Almost surely, 212046289 is an apocalyptic number.
It is an amenable number.
12046289 is a deficient number, since it is larger than the sum of its proper divisors (1).
12046289 is an equidigital number, since it uses as much as digits as its factorization.
12046289 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 12046289 is about 3470.7764261041. The cubic root of 12046289 is about 229.2368467960.
The spelling of 12046289 in words is "twelve million, forty-six thousand, two hundred eighty-nine".
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