Base | Representation |
---|---|
bin | 1101000011100… |
… | …0110111100001 |
3 | 10211001001001201 |
4 | 3100320313201 |
5 | 103004241011 |
6 | 5233401201 |
7 | 1233304612 |
oct | 320706741 |
9 | 124031051 |
10 | 54758881 |
11 | 28a01181 |
12 | 16409201 |
13 | b463508 |
14 | 73b5c09 |
15 | 4c19cc1 |
hex | 3438de1 |
54758881 has 2 divisors, whose sum is σ = 54758882. Its totient is φ = 54758880.
The previous prime is 54758863. The next prime is 54758923. The reversal of 54758881 is 18885745.
54758881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 38638656 + 16120225 = 6216^2 + 4015^2 .
It is a cyclic number.
It is not a de Polignac number, because 54758881 - 223 = 46370273 is a prime.
It is a super-2 number, since 2×547588812 = 5997070096744322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (54758831) 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, 27379440 + 27379441.
It is an arithmetic number, because the mean of its divisors is an integer number (27379441).
Almost surely, 254758881 is an apocalyptic number.
It is an amenable number.
54758881 is a deficient number, since it is larger than the sum of its proper divisors (1).
54758881 is an equidigital number, since it uses as much as digits as its factorization.
54758881 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 358400, while the sum is 46.
The square root of 54758881 is about 7399.9243915056. The cubic root of 54758881 is about 379.7386961657.
The spelling of 54758881 in words is "fifty-four million, seven hundred fifty-eight thousand, eight hundred eighty-one".
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