Base | Representation |
---|---|
bin | 10001010000111… |
… | …11101100101000 |
3 | 101002112021222001 |
4 | 20220133230220 |
5 | 244034131240 |
6 | 22212140344 |
7 | 3406030402 |
oct | 1050375450 |
9 | 332467861 |
10 | 144833320 |
11 | 74833465 |
12 | 406076b4 |
13 | 240102b8 |
14 | 15341b72 |
15 | caad89a |
hex | 8a1fb28 |
144833320 has 64 divisors (see below), whose sum is σ = 341107200. Its totient is φ = 55288320.
The previous prime is 144833291. The next prime is 144833321. The reversal of 144833320 is 23338441.
144833320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (144833321) 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 in 15 ways as a sum of consecutive naturals, for example, 76141 + ... + 78019.
It is an arithmetic number, because the mean of its divisors is an integer number (5329800).
Almost surely, 2144833320 is an apocalyptic number.
144833320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144833320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170553600).
144833320 is an abundant number, since it is smaller than the sum of its proper divisors (196273880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144833320 is a wasteful number, since it uses less digits than its factorization.
144833320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1978 (or 1974 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 28.
The square root of 144833320 is about 12034.6715784021. The cubic root of 144833320 is about 525.1574070716.
The spelling of 144833320 in words is "one hundred forty-four million, eight hundred thirty-three thousand, three hundred twenty".
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