Base | Representation |
---|---|
bin | 10001000101011… |
… | …11100000100000 |
3 | 100222200200020100 |
4 | 20202233200200 |
5 | 243142401331 |
6 | 22115542400 |
7 | 3360146526 |
oct | 1042574040 |
9 | 328620210 |
10 | 143325216 |
11 | 739a33a1 |
12 | 3bbbaa00 |
13 | 23902a28 |
14 | 1506c316 |
15 | c8b1ae6 |
hex | 88af820 |
143325216 has 72 divisors (see below), whose sum is σ = 411478704. Its totient is φ = 47318400.
The previous prime is 143325211. The next prime is 143325223. The reversal of 143325216 is 612523341.
It is a tau number, because it is divible by the number of its divisors (72).
It is a self number, because there is not a number n which added to its sum of digits gives 143325216.
It is not an unprimeable number, because it can be changed into a prime (143325211) 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, 28491 + ... + 33141.
It is an arithmetic number, because the mean of its divisors is an integer number (5714982).
Almost surely, 2143325216 is an apocalyptic number.
143325216 is a gapful number since it is divisible by the number (16) 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 143325216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205739352).
143325216 is an abundant number, since it is smaller than the sum of its proper divisors (268153488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143325216 is a wasteful number, since it uses less digits than its factorization.
143325216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4774 (or 4763 counting only the distinct ones).
The product of its digits is 4320, while the sum is 27.
The square root of 143325216 is about 11971.8509847057. The cubic root of 143325216 is about 523.3282770505.
Adding to 143325216 its reverse (612523341), we get a palindrome (755848557).
The spelling of 143325216 in words is "one hundred forty-three million, three hundred twenty-five thousand, two hundred sixteen".
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