Base | Representation |
---|---|
bin | 1000001101111110011… |
… | …00101011011010001001 |
3 | 222222212121000002220101 |
4 | 10012333030223122021 |
5 | 14111303421133100 |
6 | 333420205125401 |
7 | 26254440613402 |
oct | 4067714533211 |
9 | 888777002811 |
10 | 282380646025 |
11 | a9836570935 |
12 | 46888859861 |
13 | 2082272457a |
14 | d94b0bc9a9 |
15 | 752a94486a |
hex | 41bf32b689 |
282380646025 has 9 divisors (see below), whose sum is σ = 350155295751. Its totient is φ = 225902391240.
The previous prime is 282380646017. The next prime is 282380646047. The reversal of 282380646025 is 520646083282.
It is a happy number.
The square root of 282380646025 is 531395.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 101657032569 + 180723613456 = 318837^2 + 425116^2 .
It is not a de Polignac number, because 282380646025 - 23 = 282380646017 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2603836 + ... + 2710114.
Almost surely, 2282380646025 is an apocalyptic number.
282380646025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
282380646025 is the 531395-th square number.
282380646025 is the 265698-th centered octagonal number.
It is an amenable number.
282380646025 is a deficient number, since it is larger than the sum of its proper divisors (67774649726).
282380646025 is an frugal number, since it uses more digits than its factorization.
282380646025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 212568 (or 106284 counting only the distinct ones).
The product of its (nonzero) digits is 1105920, while the sum is 46.
The spelling of 282380646025 in words is "two hundred eighty-two billion, three hundred eighty million, six hundred forty-six thousand, twenty-five".
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