Base | Representation |
---|---|
bin | 11001100101100010110 |
3 | 1120121002200 |
4 | 3030230112 |
5 | 203312142 |
6 | 25545330 |
7 | 10061244 |
oct | 3145426 |
9 | 1517080 |
10 | 838422 |
11 | 522a12 |
12 | 345246 |
13 | 234810 |
14 | 17b794 |
15 | 11864c |
hex | ccb16 |
838422 has 24 divisors (see below), whose sum is σ = 1956864. Its totient is φ = 257904.
The previous prime is 838421. The next prime is 838429. The reversal of 838422 is 224838.
838422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (838421) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1558 + ... + 2025.
It is an arithmetic number, because the mean of its divisors is an integer number (81536).
2838422 is an apocalyptic number.
838422 is an abundant number, since it is smaller than the sum of its proper divisors (1118442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
838422 is a wasteful number, since it uses less digits than its factorization.
838422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3604 (or 3601 counting only the distinct ones).
The product of its digits is 3072, while the sum is 27.
The square root of 838422 is about 915.6538647327. The cubic root of 838422 is about 94.2947590693.
The spelling of 838422 in words is "eight hundred thirty-eight thousand, four hundred twenty-two".
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