Base | Representation |
---|---|
bin | 101111100111… |
… | …001011010110 |
3 | 212111010001002 |
4 | 233213023112 |
5 | 11143344423 |
6 | 1123303302 |
7 | 211042310 |
oct | 57471326 |
9 | 25433032 |
10 | 12481238 |
11 | 7055380 |
12 | 421ab32 |
13 | 2780063 |
14 | 192c7b0 |
15 | 1168228 |
hex | be72d6 |
12481238 has 16 divisors (see below), whose sum is σ = 23341824. Its totient is φ = 4862760.
The previous prime is 12481237. The next prime is 12481253. The reversal of 12481238 is 83218421.
It is a self number, because there is not a number n which added to its sum of digits gives 12481238.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12481237) 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, 40370 + ... + 40677.
It is an arithmetic number, because the mean of its divisors is an integer number (1458864).
Almost surely, 212481238 is an apocalyptic number.
12481238 is a deficient number, since it is larger than the sum of its proper divisors (10860586).
12481238 is a wasteful number, since it uses less digits than its factorization.
12481238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81067.
The product of its digits is 3072, while the sum is 29.
The square root of 12481238 is about 3532.8795620570. The cubic root of 12481238 is about 231.9632695517.
Adding to 12481238 its reverse (83218421), we get a palindrome (95699659).
The spelling of 12481238 in words is "twelve million, four hundred eighty-one thousand, two hundred thirty-eight".
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