Base | Representation |
---|---|
bin | 10001001010111… |
… | …10100000111111 |
3 | 101001001002112122 |
4 | 20211132200333 |
5 | 243333321142 |
6 | 22143153155 |
7 | 3366223442 |
oct | 1045364077 |
9 | 331032478 |
10 | 144042047 |
11 | 74342a16 |
12 | 402a57bb |
13 | 23ac40a6 |
14 | 151b7659 |
15 | c9a41d2 |
hex | 895e83f |
144042047 has 2 divisors, whose sum is σ = 144042048. Its totient is φ = 144042046.
The previous prime is 144042013. The next prime is 144042053. The reversal of 144042047 is 740240441.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 144042047 - 218 = 143779903 is a prime.
It is a super-2 number, since 2×1440420472 = 41496222607900418, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144045047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72021023 + 72021024.
It is an arithmetic number, because the mean of its divisors is an integer number (72021024).
Almost surely, 2144042047 is an apocalyptic number.
144042047 is a deficient number, since it is larger than the sum of its proper divisors (1).
144042047 is an equidigital number, since it uses as much as digits as its factorization.
144042047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3584, while the sum is 26.
The square root of 144042047 is about 12001.7518304621. The cubic root of 144042047 is about 524.1992897630.
Adding to 144042047 its reverse (740240441), we get a palindrome (884282488).
The spelling of 144042047 in words is "one hundred forty-four million, forty-two thousand, forty-seven".
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