Base | Representation |
---|---|
bin | 101111011101… |
… | …111001101100 |
3 | 212102011220220 |
4 | 233131321230 |
5 | 11141140434 |
6 | 1122411340 |
7 | 210523452 |
oct | 57357154 |
9 | 25364826 |
10 | 12443244 |
11 | 7029880 |
12 | 4200b50 |
13 | 2768988 |
14 | 191c9d2 |
15 | 115bd49 |
hex | bdde6c |
12443244 has 48 divisors (see below), whose sum is σ = 32006016. Its totient is φ = 3731200.
The previous prime is 12443243. The next prime is 12443251. The reversal of 12443244 is 44234421.
It is a happy number.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (12443243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13684 + ... + 14564.
It is an arithmetic number, because the mean of its divisors is an integer number (666792).
Almost surely, 212443244 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12443244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16003008).
12443244 is an abundant number, since it is smaller than the sum of its proper divisors (19562772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12443244 is a wasteful number, since it uses less digits than its factorization.
12443244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1006 (or 1004 counting only the distinct ones).
The product of its digits is 3072, while the sum is 24.
The square root of 12443244 is about 3527.4982636424. The cubic root of 12443244 is about 231.7276580322.
Adding to 12443244 its reverse (44234421), we get a palindrome (56677665).
The spelling of 12443244 in words is "twelve million, four hundred forty-three thousand, two hundred forty-four".
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