Base | Representation |
---|---|
bin | 1100111100010… |
… | …0111101110011 |
3 | 10210010220211222 |
4 | 3033010331303 |
5 | 102344043042 |
6 | 5215255255 |
7 | 1226256551 |
oct | 317047563 |
9 | 123126758 |
10 | 54284147 |
11 | 28707535 |
12 | 1621a52b |
13 | b3283c8 |
14 | 72d0bd1 |
15 | 4b742d2 |
hex | 33c4f73 |
54284147 has 2 divisors, whose sum is σ = 54284148. Its totient is φ = 54284146.
The previous prime is 54284119. The next prime is 54284149. The reversal of 54284147 is 74148245.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 54284147 - 210 = 54283123 is a prime.
Together with 54284149, 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 (54284149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27142073 + 27142074.
It is an arithmetic number, because the mean of its divisors is an integer number (27142074).
Almost surely, 254284147 is an apocalyptic number.
54284147 is a deficient number, since it is larger than the sum of its proper divisors (1).
54284147 is an equidigital number, since it uses as much as digits as its factorization.
54284147 is an evil number, because the sum of its binary digits is even.
The product of its digits is 35840, while the sum is 35.
The square root of 54284147 is about 7367.7776160794. Note that the first 3 decimals coincide. The cubic root of 54284147 is about 378.6381236372.
The spelling of 54284147 in words is "fifty-four million, two hundred eighty-four thousand, one hundred forty-seven".
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