Base | Representation |
---|---|
bin | 1100111011011… |
… | …0000011000000 |
3 | 10210000211000202 |
4 | 3032312003000 |
5 | 102340114130 |
6 | 5214104332 |
7 | 1225613444 |
oct | 316660300 |
9 | 123024022 |
10 | 54223040 |
11 | 28675633 |
12 | 161ab0a8 |
13 | b306651 |
14 | 72b6824 |
15 | 4b61145 |
hex | 33b60c0 |
54223040 has 56 divisors (see below), whose sum is σ = 133593840. Its totient is φ = 20937728.
The previous prime is 54223021. The next prime is 54223049. The reversal of 54223040 is 4032245.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (54223049) by changing a digit.
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, 6359 + ... + 12201.
Almost surely, 254223040 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66796920).
54223040 is an abundant number, since it is smaller than the sum of its proper divisors (79370800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54223040 is a wasteful number, since it uses less digits than its factorization.
54223040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5889 (or 5879 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 20.
The square root of 54223040 is about 7363.6295398397. The cubic root of 54223040 is about 378.4959941920.
Adding to 54223040 its reverse (4032245), we get a palindrome (58255285).
The spelling of 54223040 in words is "fifty-four million, two hundred twenty-three thousand, forty".
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