Base | Representation |
---|---|
bin | 10001001110000… |
… | …00001111010011 |
3 | 101001210102121200 |
4 | 20213000033103 |
5 | 243434123243 |
6 | 22155522243 |
7 | 3402511434 |
oct | 1047001723 |
9 | 331712550 |
10 | 144442323 |
11 | 74596723 |
12 | 40459383 |
13 | 23c0433c |
14 | 1527d48b |
15 | ca32ad3 |
hex | 89c03d3 |
144442323 has 24 divisors (see below), whose sum is σ = 218350080. Its totient is φ = 91837680.
The previous prime is 144442321. The next prime is 144442349. The reversal of 144442323 is 323244441.
It is a happy number.
It is not a de Polignac number, because 144442323 - 21 = 144442321 is a prime.
It is not an unprimeable number, because it can be changed into a prime (144442321) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88408 + ... + 90026.
It is an arithmetic number, because the mean of its divisors is an integer number (9097920).
Almost surely, 2144442323 is an apocalyptic number.
144442323 is a deficient number, since it is larger than the sum of its proper divisors (73907757).
144442323 is a wasteful number, since it uses less digits than its factorization.
144442323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2079 (or 2076 counting only the distinct ones).
The product of its digits is 9216, while the sum is 27.
The square root of 144442323 is about 12018.4159937989. The cubic root of 144442323 is about 524.6844035188.
Adding to 144442323 its reverse (323244441), we get a palindrome (467686764).
The spelling of 144442323 in words is "one hundred forty-four million, four hundred forty-two thousand, three hundred twenty-three".
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