Base | Representation |
---|---|
bin | 1100111110011… |
… | …0111101011101 |
3 | 10210101222212002 |
4 | 3033212331131 |
5 | 102413022024 |
6 | 5222252045 |
7 | 1230406526 |
oct | 317467535 |
9 | 123358762 |
10 | 54423389 |
11 | 287a2109 |
12 | 16287025 |
13 | b3768b7 |
14 | 732984d |
15 | 4ba06ae |
hex | 33e6f5d |
54423389 has 2 divisors, whose sum is σ = 54423390. Its totient is φ = 54423388.
The previous prime is 54423377. The next prime is 54423427. The reversal of 54423389 is 98332445.
It is an a-pointer prime, because the next prime (54423427) can be obtained adding 54423389 to its sum of digits (38).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 41499364 + 12924025 = 6442^2 + 3595^2 .
It is a cyclic number.
It is not a de Polignac number, because 54423389 - 212 = 54419293 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54423329) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27211694 + 27211695.
It is an arithmetic number, because the mean of its divisors is an integer number (27211695).
Almost surely, 254423389 is an apocalyptic number.
It is an amenable number.
54423389 is a deficient number, since it is larger than the sum of its proper divisors (1).
54423389 is an equidigital number, since it uses as much as digits as its factorization.
54423389 is an evil number, because the sum of its binary digits is even.
The product of its digits is 103680, while the sum is 38.
The square root of 54423389 is about 7377.2209537196. The cubic root of 54423389 is about 378.9615901742.
The spelling of 54423389 in words is "fifty-four million, four hundred twenty-three thousand, three hundred eighty-nine".
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