Base | Representation |
---|---|
bin | 10001000110011… |
… | …00000101111100 |
3 | 100222220121211210 |
4 | 20203030011330 |
5 | 243210123200 |
6 | 22122244420 |
7 | 3361145061 |
oct | 1043140574 |
9 | 328817753 |
10 | 143442300 |
11 | 73a73361 |
12 | 40056710 |
13 | 23944101 |
14 | 1509cc68 |
15 | c8d6650 |
hex | 88cc17c |
143442300 has 72 divisors (see below), whose sum is σ = 417942000. Its totient is φ = 37982720.
The previous prime is 143442289. The next prime is 143442307. The reversal of 143442300 is 3244341.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143442307) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43096 + ... + 46304.
It is an arithmetic number, because the mean of its divisors is an integer number (5804750).
Almost surely, 2143442300 is an apocalyptic number.
143442300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143442300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208971000).
143442300 is an abundant number, since it is smaller than the sum of its proper divisors (274499700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143442300 is a wasteful number, since it uses less digits than its factorization.
143442300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3375 (or 3368 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 21.
The square root of 143442300 is about 11976.7399571002. The cubic root of 143442300 is about 523.4707425387.
Adding to 143442300 its reverse (3244341), we get a palindrome (146686641).
It can be divided in two parts, 1434 and 42300, that added together give a palindrome (43734).
The spelling of 143442300 in words is "one hundred forty-three million, four hundred forty-two thousand, three hundred".
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