Base | Representation |
---|---|
bin | 1101000101100… |
… | …0011111000101 |
3 | 10211021121201022 |
4 | 3101120133011 |
5 | 103022412024 |
6 | 5240240525 |
7 | 1234354313 |
oct | 321303705 |
9 | 124247638 |
10 | 54888389 |
11 | 28a8a506 |
12 | 16470145 |
13 | b4aa44a |
14 | 740b0b3 |
15 | 4c4335e |
hex | 34587c5 |
54888389 has 2 divisors, whose sum is σ = 54888390. Its totient is φ = 54888388.
The previous prime is 54888371. The next prime is 54888401. The reversal of 54888389 is 98388845.
54888389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 54140164 + 748225 = 7358^2 + 865^2 .
It is a cyclic number.
It is not a de Polignac number, because 54888389 - 216 = 54822853 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 54888389.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54888319) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27444194 + 27444195.
It is an arithmetic number, because the mean of its divisors is an integer number (27444195).
Almost surely, 254888389 is an apocalyptic number.
It is an amenable number.
54888389 is a deficient number, since it is larger than the sum of its proper divisors (1).
54888389 is an equidigital number, since it uses as much as digits as its factorization.
54888389 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2211840, while the sum is 53.
The square root of 54888389 is about 7408.6698536242. The cubic root of 54888389 is about 380.0378286440.
The spelling of 54888389 in words is "fifty-four million, eight hundred eighty-eight thousand, three hundred eighty-nine".
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