Base | Representation |
---|---|
bin | 10001000100110… |
… | …00100011111110 |
3 | 100222111220022101 |
4 | 20202120203332 |
5 | 243131344410 |
6 | 22113535314 |
7 | 3356305522 |
oct | 1042304376 |
9 | 328456271 |
10 | 143231230 |
11 | 7393981a |
12 | 3bb7453a |
13 | 2389c00c |
14 | 15045d82 |
15 | c893d3a |
hex | 88988fe |
143231230 has 8 divisors (see below), whose sum is σ = 257816232. Its totient is φ = 57292488.
The previous prime is 143231227. The next prime is 143231243. The reversal of 143231230 is 32132341.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 143231198 and 143231207.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 7161552 + ... + 7161571.
It is an arithmetic number, because the mean of its divisors is an integer number (32227029).
Almost surely, 2143231230 is an apocalyptic number.
143231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
143231230 is a deficient number, since it is larger than the sum of its proper divisors (114585002).
143231230 is a wasteful number, since it uses less digits than its factorization.
143231230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14323130.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 143231230 is about 11967.9250498990. The cubic root of 143231230 is about 523.2138606021.
Adding to 143231230 its reverse (32132341), we get a palindrome (175363571).
The spelling of 143231230 in words is "one hundred forty-three million, two hundred thirty-one thousand, two hundred thirty".
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