Base | Representation |
---|---|
bin | 11101101001000… |
… | …00110010111001 |
3 | 122022212120100021 |
4 | 32310200302321 |
5 | 1002123144331 |
6 | 40401210441 |
7 | 6106314622 |
oct | 1664406271 |
9 | 568776307 |
10 | 248646841 |
11 | 11839a063 |
12 | 6b330a21 |
13 | 3c68a811 |
14 | 25046a49 |
15 | 16c68211 |
hex | ed20cb9 |
248646841 has 8 divisors (see below), whose sum is σ = 259721280. Its totient is φ = 237739152.
The previous prime is 248646817. The next prime is 248646847. The reversal of 248646841 is 148646842.
248646841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-248646841 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (248646847) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38635 + ... + 44608.
It is an arithmetic number, because the mean of its divisors is an integer number (32465160).
Almost surely, 2248646841 is an apocalyptic number.
It is an amenable number.
248646841 is a deficient number, since it is larger than the sum of its proper divisors (11074439).
248646841 is a wasteful number, since it uses less digits than its factorization.
248646841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83375.
The product of its digits is 294912, while the sum is 43.
The square root of 248646841 is about 15768.5395962974. The cubic root of 248646841 is about 628.8218857847.
Subtracting from 248646841 its reverse (148646842), we obtain a palindrome (99999999).
The spelling of 248646841 in words is "two hundred forty-eight million, six hundred forty-six thousand, eight hundred forty-one".
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