Base | Representation |
---|---|
bin | 10001001101111… |
… | …01010001000000 |
3 | 101001202210220121 |
4 | 20212331101000 |
5 | 243433231034 |
6 | 22155350024 |
7 | 3402431065 |
oct | 1046752100 |
9 | 331683817 |
10 | 144430144 |
11 | 74588561 |
12 | 40452314 |
13 | 23bcb931 |
14 | 15278c6c |
15 | ca2e1b4 |
hex | 89bd440 |
144430144 has 14 divisors (see below), whose sum is σ = 286603694. Its totient is φ = 72215040.
The previous prime is 144430093. The next prime is 144430151. The reversal of 144430144 is 441034441.
It is a happy number.
144430144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 88360000 + 56070144 = 9400^2 + 7488^2 .
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 as a sum of consecutive naturals, namely, 1128297 + ... + 1128424.
Almost surely, 2144430144 is an apocalyptic number.
It is an amenable number.
144430144 is a deficient number, since it is larger than the sum of its proper divisors (142173550).
144430144 is an equidigital number, since it uses as much as digits as its factorization.
144430144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2256733 (or 2256723 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 25.
The square root of 144430144 is about 12017.9093023704. The cubic root of 144430144 is about 524.6696564308.
Adding to 144430144 its reverse (441034441), we get a palindrome (585464585).
The spelling of 144430144 in words is "one hundred forty-four million, four hundred thirty thousand, one hundred forty-four".
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