Base | Representation |
---|---|
bin | 10001000100110… |
… | …00011001001000 |
3 | 100222111212100200 |
4 | 20202120121020 |
5 | 243131334121 |
6 | 22113532200 |
7 | 3356303511 |
oct | 1042303110 |
9 | 328455320 |
10 | 143230536 |
11 | 73939249 |
12 | 3bb74060 |
13 | 2389b8c7 |
14 | 15045a08 |
15 | c893a26 |
hex | 8898648 |
143230536 has 48 divisors (see below), whose sum is σ = 401298300. Its totient is φ = 46096512.
The previous prime is 143230517. The next prime is 143230537. The reversal of 143230536 is 635032341.
It is a happy number.
143230536 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 137030436 + 6200100 = 11706^2 + 2490^2 .
It is not an unprimeable number, because it can be changed into a prime (143230537) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32211 + ... + 36386.
Almost surely, 2143230536 is an apocalyptic number.
It is an amenable number.
143230536 is an abundant number, since it is smaller than the sum of its proper divisors (258067764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143230536 is a wasteful number, since it uses less digits than its factorization.
143230536 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68638 (or 68631 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 27.
The square root of 143230536 is about 11967.8960556983. The cubic root of 143230536 is about 523.2130155559.
Adding to 143230536 its reverse (635032341), we get a palindrome (778262877).
It can be divided in two parts, 1432305 and 36, that added together give a palindrome (1432341).
The spelling of 143230536 in words is "one hundred forty-three million, two hundred thirty thousand, five hundred thirty-six".
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