Base | Representation |
---|---|
bin | 10001000100110… |
… | …00100100001100 |
3 | 100222111220022220 |
4 | 20202120210030 |
5 | 243131344434 |
6 | 22113535340 |
7 | 3356305542 |
oct | 1042304414 |
9 | 328456286 |
10 | 143231244 |
11 | 73939832 |
12 | 3bb74550 |
13 | 2389c020 |
14 | 15045d92 |
15 | c893d49 |
hex | 889890c |
143231244 has 24 divisors (see below), whose sum is σ = 359914800. Its totient is φ = 44071104.
The previous prime is 143231243. The next prime is 143231279. The reversal of 143231244 is 442132341.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (143231243) 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, 458919 + ... + 459230.
It is an arithmetic number, because the mean of its divisors is an integer number (14996450).
Almost surely, 2143231244 is an apocalyptic number.
It is an amenable number.
143231244 is an abundant number, since it is smaller than the sum of its proper divisors (216683556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143231244 is a wasteful number, since it uses less digits than its factorization.
143231244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 918169 (or 918167 counting only the distinct ones).
The product of its digits is 2304, while the sum is 24.
The square root of 143231244 is about 11967.9256347957. The cubic root of 143231244 is about 523.2138776491.
Adding to 143231244 its reverse (442132341), we get a palindrome (585363585).
The spelling of 143231244 in words is "one hundred forty-three million, two hundred thirty-one thousand, two hundred forty-four".
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