Base | Representation |
---|---|
bin | 1100111001111… |
… | …0010110100011 |
3 | 10202211212220012 |
4 | 3032132112203 |
5 | 102324012422 |
6 | 5212035135 |
7 | 1225030466 |
oct | 316362643 |
9 | 122755805 |
10 | 54125987 |
11 | 28609723 |
12 | 16162aab |
13 | b2a1416 |
14 | 728d2dd |
15 | 4b424e2 |
hex | 339e5a3 |
54125987 has 2 divisors, whose sum is σ = 54125988. Its totient is φ = 54125986.
The previous prime is 54125963. The next prime is 54125989. The reversal of 54125987 is 78952145.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 54125987 - 212 = 54121891 is a prime.
Together with 54125989, 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 (54125989) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27062993 + 27062994.
It is an arithmetic number, because the mean of its divisors is an integer number (27062994).
Almost surely, 254125987 is an apocalyptic number.
54125987 is a deficient number, since it is larger than the sum of its proper divisors (1).
54125987 is an equidigital number, since it uses as much as digits as its factorization.
54125987 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 100800, while the sum is 41.
The square root of 54125987 is about 7357.0365637259. The cubic root of 54125987 is about 378.2700379060.
The spelling of 54125987 in words is "fifty-four million, one hundred twenty-five thousand, nine hundred eighty-seven".
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