Base | Representation |
---|---|
bin | 10001000011111… |
… | …11111110110000 |
3 | 100222022210012021 |
4 | 20201333332300 |
5 | 243120134134 |
6 | 22111441224 |
7 | 3355406134 |
oct | 1041777660 |
9 | 328283167 |
10 | 143130544 |
11 | 73880107 |
12 | 3bb26214 |
13 | 2386523b |
14 | 1501b3c4 |
15 | c8740b4 |
hex | 887ffb0 |
143130544 has 40 divisors (see below), whose sum is σ = 287994960. Its totient is φ = 68828928.
The previous prime is 143130539. The next prime is 143130563. The reversal of 143130544 is 445031341.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172659 + ... + 173485.
It is an arithmetic number, because the mean of its divisors is an integer number (7199874).
Almost surely, 2143130544 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143130544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143997480).
143130544 is an abundant number, since it is smaller than the sum of its proper divisors (144864416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143130544 is a wasteful number, since it uses less digits than its factorization.
143130544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1237 (or 1231 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 143130544 is about 11963.7178167993. The cubic root of 143130544 is about 523.0912321789.
Adding to 143130544 its reverse (445031341), we get a palindrome (588161885).
The spelling of 143130544 in words is "one hundred forty-three million, one hundred thirty thousand, five hundred forty-four".
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