Base | Representation |
---|---|
bin | 110010100001… |
… | …100011011010 |
3 | 220220220020000 |
4 | 302201203122 |
5 | 11342312014 |
6 | 1151513430 |
7 | 220402044 |
oct | 62414332 |
9 | 26826200 |
10 | 13244634 |
11 | 7526987 |
12 | 4528876 |
13 | 2989680 |
14 | 1a8aa94 |
15 | 1269509 |
hex | ca18da |
13244634 has 80 divisors (see below), whose sum is σ = 33744480. Its totient is φ = 3849120.
The previous prime is 13244633. The next prime is 13244641. The reversal of 13244634 is 43644231.
13244634 is a `hidden beast` number, since 1 + 3 + 24 + 4 + 634 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 13244598 and 13244607.
It is not an unprimeable number, because it can be changed into a prime (13244633) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39849 + ... + 40179.
It is an arithmetic number, because the mean of its divisors is an integer number (421806).
Almost surely, 213244634 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13244634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16872240).
13244634 is an abundant number, since it is smaller than the sum of its proper divisors (20499846).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13244634 is a wasteful number, since it uses less digits than its factorization.
13244634 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 377 (or 368 counting only the distinct ones).
The product of its digits is 6912, while the sum is 27.
The square root of 13244634 is about 3639.3177932134. The cubic root of 13244634 is about 236.5992265247.
Adding to 13244634 its reverse (43644231), we get a palindrome (56888865).
The spelling of 13244634 in words is "thirteen million, two hundred forty-four thousand, six hundred thirty-four".
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