Base | Representation |
---|---|
bin | 10001001011000… |
… | …00010001001001 |
3 | 101001001110101111 |
4 | 20211200101021 |
5 | 243334033400 |
6 | 22143250321 |
7 | 3366253405 |
oct | 1045402111 |
9 | 331043344 |
10 | 144049225 |
11 | 74348351 |
12 | 402a99a1 |
13 | 23ac7438 |
14 | 151ba105 |
15 | c9a63ba |
hex | 8960449 |
144049225 has 12 divisors (see below), whose sum is σ = 179078940. Its totient is φ = 114944000.
The previous prime is 144049223. The next prime is 144049229. The reversal of 144049225 is 522940441.
It can be written as a sum of positive squares in 6 ways, for example, as 9048064 + 135001161 = 3008^2 + 11619^2 .
It is not a de Polignac number, because 144049225 - 21 = 144049223 is a prime.
It is not an unprimeable number, because it can be changed into a prime (144049223) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2841 + ... + 17209.
It is an arithmetic number, because the mean of its divisors is an integer number (14923245).
Almost surely, 2144049225 is an apocalyptic number.
It is an amenable number.
144049225 is a deficient number, since it is larger than the sum of its proper divisors (35029715).
144049225 is a wasteful number, since it uses less digits than its factorization.
144049225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14780 (or 14775 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 31.
The square root of 144049225 is about 12002.0508664145. The cubic root of 144049225 is about 524.2079970353.
Adding to 144049225 its reverse (522940441), we get a palindrome (666989666).
The spelling of 144049225 in words is "one hundred forty-four million, forty-nine thousand, two hundred twenty-five".
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