Base | Representation |
---|---|
bin | 100000000110001… |
… | …010100111010000 |
3 | 1101112020222122011 |
4 | 200012022213100 |
5 | 2100323042443 |
6 | 125233352304 |
7 | 16226031445 |
oct | 4006124720 |
9 | 1345228564 |
10 | 538487248 |
11 | 256a64492 |
12 | 130408694 |
13 | 8773c210 |
14 | 517339cc |
15 | 3241bb9d |
hex | 2018a9d0 |
538487248 has 30 divisors (see below), whose sum is σ = 1124273094. Its totient is φ = 248378112.
The previous prime is 538487221. The next prime is 538487249. The reversal of 538487248 is 842784835.
It can be written as a sum of positive squares in 3 ways, for example, as 294877584 + 243609664 = 17172^2 + 15608^2 .
It is a super-2 number, since 2×5384872482 = 579937032517227008, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (538487249) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333868 + ... + 335476.
Almost surely, 2538487248 is an apocalyptic number.
It is an amenable number.
538487248 is an abundant number, since it is smaller than the sum of its proper divisors (585785846).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538487248 is an equidigital number, since it uses as much as digits as its factorization.
538487248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3239 (or 1624 counting only the distinct ones).
The product of its digits is 1720320, while the sum is 49.
The square root of 538487248 is about 23205.3280088862. The cubic root of 538487248 is about 813.5641588573.
The spelling of 538487248 in words is "five hundred thirty-eight million, four hundred eighty-seven thousand, two hundred forty-eight".
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