Base | Representation |
---|---|
bin | 10001001100111… |
… | …10000101101010 |
3 | 101001112022201220 |
4 | 20212132011222 |
5 | 243420134232 |
6 | 22152522510 |
7 | 3401356554 |
oct | 1046360552 |
9 | 331468656 |
10 | 144302442 |
11 | 74500619 |
12 | 403b0436 |
13 | 23b8577b |
14 | 152444d4 |
15 | ca0642c |
hex | 899e16a |
144302442 has 16 divisors (see below), whose sum is σ = 296405472. Its totient is φ = 46800720.
The previous prime is 144302441. The next prime is 144302449. The reversal of 144302442 is 244203441.
It is a happy number.
144302442 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 (144302441) 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 7 ways as a sum of consecutive naturals, for example, 324784 + ... + 325227.
It is an arithmetic number, because the mean of its divisors is an integer number (18525342).
Almost surely, 2144302442 is an apocalyptic number.
144302442 is an abundant number, since it is smaller than the sum of its proper divisors (152103030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144302442 is a wasteful number, since it uses less digits than its factorization.
144302442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 650053.
The product of its (nonzero) digits is 3072, while the sum is 24.
The square root of 144302442 is about 12012.5951401019. The cubic root of 144302442 is about 524.5149769912.
Adding to 144302442 its reverse (244203441), we get a palindrome (388505883).
Subtracting 144302442 from its reverse (244203441), we obtain a palindrome (99900999).
The spelling of 144302442 in words is "one hundred forty-four million, three hundred two thousand, four hundred forty-two".
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