Base | Representation |
---|---|
bin | 11101101010011… |
… | …11100011101100 |
3 | 122100020022002022 |
4 | 32311033203230 |
5 | 1002200312010 |
6 | 40405245312 |
7 | 6111043220 |
oct | 1665174354 |
9 | 570208068 |
10 | 248838380 |
11 | 11850aa5a |
12 | 6b403838 |
13 | 3c726a5b |
14 | 25096780 |
15 | 16ca4d55 |
hex | ed4f8ec |
248838380 has 48 divisors (see below), whose sum is σ = 623185920. Its totient is φ = 81605568.
The previous prime is 248838379. The next prime is 248838391. The reversal of 248838380 is 83838842.
It is a super-2 number, since 2×2488383802 = 123841078722048800, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35420 + ... + 41859.
It is an arithmetic number, because the mean of its divisors is an integer number (12983040).
Almost surely, 2248838380 is an apocalyptic number.
248838380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
248838380 is an abundant number, since it is smaller than the sum of its proper divisors (374347540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
248838380 is a wasteful number, since it uses less digits than its factorization.
248838380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77318 (or 77316 counting only the distinct ones).
The product of its (nonzero) digits is 294912, while the sum is 44.
The square root of 248838380 is about 15774.6118811209. The cubic root of 248838380 is about 628.9833101847.
The spelling of 248838380 in words is "two hundred forty-eight million, eight hundred thirty-eight thousand, three hundred eighty".
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