Base | Representation |
---|---|
bin | 1101000010100… |
… | …0000000001001 |
3 | 10210220112022012 |
4 | 3100220000021 |
5 | 103000033201 |
6 | 5232105305 |
7 | 1232566325 |
oct | 320500011 |
9 | 123815265 |
10 | 54689801 |
11 | 28964291 |
12 | 16395235 |
13 | b43ac3a |
14 | 7398985 |
15 | 4c045bb |
hex | 3428009 |
54689801 has 2 divisors, whose sum is σ = 54689802. Its totient is φ = 54689800.
The previous prime is 54689773. The next prime is 54689821. The reversal of 54689801 is 10898645.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 34798201 + 19891600 = 5899^2 + 4460^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-54689801 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (54689821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27344900 + 27344901.
It is an arithmetic number, because the mean of its divisors is an integer number (27344901).
Almost surely, 254689801 is an apocalyptic number.
It is an amenable number.
54689801 is a deficient number, since it is larger than the sum of its proper divisors (1).
54689801 is an equidigital number, since it uses as much as digits as its factorization.
54689801 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 69120, while the sum is 41.
The square root of 54689801 is about 7395.2553032333. The cubic root of 54689801 is about 379.5789449841.
The spelling of 54689801 in words is "fifty-four million, six hundred eighty-nine thousand, eight hundred one".
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