Base | Representation |
---|---|
bin | 10001001100010… |
… | …01111111011100 |
3 | 101001101010211002 |
4 | 20212021333130 |
5 | 243410020444 |
6 | 22151045432 |
7 | 3400564556 |
oct | 1046117734 |
9 | 331333732 |
10 | 144220124 |
11 | 74454794 |
12 | 40370878 |
13 | 23b57169 |
14 | 152224d6 |
15 | c9dbd4e |
hex | 8989fdc |
144220124 has 12 divisors (see below), whose sum is σ = 258541248. Its totient is φ = 70351200.
The previous prime is 144220123. The next prime is 144220133. The reversal of 144220124 is 421022441.
It is a junction number, because it is equal to n+sod(n) for n = 144220096 and 144220105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144220123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439532 + ... + 439859.
It is an arithmetic number, because the mean of its divisors is an integer number (21545104).
Almost surely, 2144220124 is an apocalyptic number.
It is an amenable number.
144220124 is a deficient number, since it is larger than the sum of its proper divisors (114321124).
144220124 is a wasteful number, since it uses less digits than its factorization.
144220124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 879436 (or 879434 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 20.
The square root of 144220124 is about 12009.1683309045. The cubic root of 144220124 is about 524.4152206829.
Adding to 144220124 its reverse (421022441), we get a palindrome (565242565).
The spelling of 144220124 in words is "one hundred forty-four million, two hundred twenty thousand, one hundred twenty-four".
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