Base | Representation |
---|---|
bin | 101110110111… |
… | …101001001101 |
3 | 212010012222002 |
4 | 232313221031 |
5 | 11121132131 |
6 | 1115202045 |
7 | 206301551 |
oct | 56675115 |
9 | 25105862 |
10 | 12286541 |
11 | 6a32073 |
12 | 4146325 |
13 | 2712557 |
14 | 18bb861 |
15 | 112a6cb |
hex | bb7a4d |
12286541 has 2 divisors, whose sum is σ = 12286542. Its totient is φ = 12286540.
The previous prime is 12286507. The next prime is 12286543. The reversal of 12286541 is 14568221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8145316 + 4141225 = 2854^2 + 2035^2 .
It is a cyclic number.
It is not a de Polignac number, because 12286541 - 214 = 12270157 is a prime.
Together with 12286543, 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 (12286543) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6143270 + 6143271.
It is an arithmetic number, because the mean of its divisors is an integer number (6143271).
Almost surely, 212286541 is an apocalyptic number.
It is an amenable number.
12286541 is a deficient number, since it is larger than the sum of its proper divisors (1).
12286541 is an equidigital number, since it uses as much as digits as its factorization.
12286541 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3840, while the sum is 29.
The square root of 12286541 is about 3505.2162558108. The cubic root of 12286541 is about 230.7507978924.
The spelling of 12286541 in words is "twelve million, two hundred eighty-six thousand, five hundred forty-one".
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