Base | Representation |
---|---|
bin | 10001000100110… |
… | …01010001011111 |
3 | 100222112001022021 |
4 | 20202121101133 |
5 | 243131443033 |
6 | 22114001011 |
7 | 3356320153 |
oct | 1042312137 |
9 | 328461267 |
10 | 143234143 |
11 | 73940a28 |
12 | 3bb76167 |
13 | 238a0440 |
14 | 15047063 |
15 | c894b2d |
hex | 889945f |
143234143 has 16 divisors (see below), whose sum is σ = 157852800. Its totient is φ = 129153024.
The previous prime is 143234111. The next prime is 143234153. The reversal of 143234143 is 341432341.
It is not a de Polignac number, because 143234143 - 25 = 143234111 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143234153) 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 15 ways as a sum of consecutive naturals, for example, 309130 + ... + 309592.
It is an arithmetic number, because the mean of its divisors is an integer number (9865800).
Almost surely, 2143234143 is an apocalyptic number.
143234143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
143234143 is a deficient number, since it is larger than the sum of its proper divisors (14618657).
143234143 is a wasteful number, since it uses less digits than its factorization.
143234143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 978.
The product of its digits is 3456, while the sum is 25.
The square root of 143234143 is about 11968.0467495745. The cubic root of 143234143 is about 523.2174075744.
Adding to 143234143 its reverse (341432341), we get a palindrome (484666484).
The spelling of 143234143 in words is "one hundred forty-three million, two hundred thirty-four thousand, one hundred forty-three".
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