Base | Representation |
---|---|
bin | 10001001100011… |
… | …11110110100011 |
3 | 101001102100202020 |
4 | 20212033312203 |
5 | 243411303011 |
6 | 22151352523 |
7 | 3401024553 |
oct | 1046176643 |
9 | 331370666 |
10 | 144244131 |
11 | 74470829 |
12 | 40382743 |
13 | 23b65075 |
14 | 1522b163 |
15 | c9e4006 |
hex | 898fda3 |
144244131 has 8 divisors (see below), whose sum is σ = 194960400. Its totient is φ = 94845312.
The previous prime is 144244129. The next prime is 144244151. The reversal of 144244131 is 131442441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 144244131 - 21 = 144244129 is a prime.
It is a super-2 number, since 2×1442441312 = 41612738655890322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (144244151) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329106 + ... + 329543.
It is an arithmetic number, because the mean of its divisors is an integer number (24370050).
Almost surely, 2144244131 is an apocalyptic number.
144244131 is a deficient number, since it is larger than the sum of its proper divisors (50716269).
144244131 is an equidigital number, since it uses as much as digits as its factorization.
144244131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 658725.
The product of its digits is 1536, while the sum is 24.
The square root of 144244131 is about 12010.1678173121. The cubic root of 144244131 is about 524.4443172643. Note that the first 3 decimals are identical.
Adding to 144244131 its reverse (131442441), we get a palindrome (275686572).
The spelling of 144244131 in words is "one hundred forty-four million, two hundred forty-four thousand, one hundred thirty-one".
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