Base | Representation |
---|---|
bin | 10001001010111… |
… | …11000110011010 |
3 | 101001001012211100 |
4 | 20211133012122 |
5 | 243333410232 |
6 | 22143212230 |
7 | 3366233433 |
oct | 1045370632 |
9 | 331035740 |
10 | 144044442 |
11 | 743447a3 |
12 | 402a7076 |
13 | 23ac51c9 |
14 | 151b848a |
15 | c9a4c7c |
hex | 895f19a |
144044442 has 24 divisors (see below), whose sum is σ = 312979680. Its totient is φ = 47878920.
The previous prime is 144044437. The next prime is 144044443. The reversal of 144044442 is 244440441.
144044442 is digitally balanced in base 2, 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 (144044443) 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, 4684 + ... + 17607.
It is an arithmetic number, because the mean of its divisors is an integer number (13040820).
Almost surely, 2144044442 is an apocalyptic number.
144044442 is an abundant number, since it is smaller than the sum of its proper divisors (168935238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144044442 is a wasteful number, since it uses less digits than its factorization.
144044442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22658 (or 22655 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 27.
The square root of 144044442 is about 12001.8516071480. The cubic root of 144044442 is about 524.2021950497.
Adding to 144044442 its reverse (244440441), we get a palindrome (388484883).
The spelling of 144044442 in words is "one hundred forty-four million, forty-four thousand, four hundred forty-two".
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