Base | Representation |
---|---|
bin | 1101000101011… |
… | …0110001010000 |
3 | 10211021021001222 |
4 | 3101112301100 |
5 | 103022200420 |
6 | 5240144212 |
7 | 1234324652 |
oct | 321266120 |
9 | 124237058 |
10 | 54881360 |
11 | 28a851a6 |
12 | 16468068 |
13 | b4a71a1 |
14 | 74086d2 |
15 | 4c41225 |
hex | 3456c50 |
54881360 has 40 divisors (see below), whose sum is σ = 131054856. Its totient is φ = 21358080.
The previous prime is 54881357. The next prime is 54881413. The reversal of 54881360 is 6318845.
It can be written as a sum of positive squares in 4 ways, for example, as 14227984 + 40653376 = 3772^2 + 6376^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a self number, because there is not a number n which added to its sum of digits gives 54881360.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6311 + ... + 12230.
Almost surely, 254881360 is an apocalyptic number.
It is an amenable number.
54881360 is an abundant number, since it is smaller than the sum of its proper divisors (76173496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54881360 is a wasteful number, since it uses less digits than its factorization.
54881360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18591 (or 18585 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 35.
The square root of 54881360 is about 7408.1954617842. The cubic root of 54881360 is about 380.0216054198.
The spelling of 54881360 in words is "fifty-four million, eight hundred eighty-one thousand, three hundred sixty".
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