Base | Representation |
---|---|
bin | 1100010110100101001010 |
3 | 20002112000000 |
4 | 30112211022 |
5 | 1312110333 |
6 | 153223430 |
7 | 36344604 |
oct | 14264512 |
9 | 6075000 |
10 | 3238218 |
11 | 1911a15 |
12 | 1101b76 |
13 | 894c09 |
14 | 604174 |
15 | 43e713 |
hex | 31694a |
3238218 has 28 divisors (see below), whose sum is σ = 7285938. Its totient is φ = 1078920.
The previous prime is 3238199. The next prime is 3238219. The reversal of 3238218 is 8128323.
It can be written as a sum of positive squares in only one way, i.e., 2537649 + 700569 = 1593^2 + 837^2 .
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 3238191 and 3238200.
It is not an unprimeable number, because it can be changed into a prime (3238219) by changing a digit.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 348 + ... + 2568.
Almost surely, 23238218 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3238218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3642969).
3238218 is an abundant number, since it is smaller than the sum of its proper divisors (4047720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3238218 is an equidigital number, since it uses as much as digits as its factorization.
3238218 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2241 (or 2226 counting only the distinct ones).
The product of its digits is 2304, while the sum is 27.
The square root of 3238218 is about 1799.5049319188. The cubic root of 3238218 is about 147.9455911520.
It can be divided in two parts, 32382 and 18, that added together give a square (32400 = 1802).
The spelling of 3238218 in words is "three million, two hundred thirty-eight thousand, two hundred eighteen".
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