Base | Representation |
---|---|
bin | 101111101001… |
… | …000111100000 |
3 | 212111111221101 |
4 | 233221013200 |
5 | 11144123214 |
6 | 1123404144 |
7 | 211104421 |
oct | 57510740 |
9 | 25444841 |
10 | 12489184 |
11 | 7060344 |
12 | 4223654 |
13 | 2783866 |
14 | 1931648 |
15 | 116a774 |
hex | be91e0 |
12489184 has 48 divisors (see below), whose sum is σ = 26127360. Its totient is φ = 5864320.
The previous prime is 12489167. The next prime is 12489229. The reversal of 12489184 is 48198421.
12489184 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52137 + ... + 52375.
It is an arithmetic number, because the mean of its divisors is an integer number (544320).
Almost surely, 212489184 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 12489184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13063680).
12489184 is an abundant number, since it is smaller than the sum of its proper divisors (13638176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12489184 is a wasteful number, since it uses less digits than its factorization.
12489184 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 343 (or 335 counting only the distinct ones).
The product of its digits is 18432, while the sum is 37.
The square root of 12489184 is about 3534.0039615145. The cubic root of 12489184 is about 232.0124844649.
The spelling of 12489184 in words is "twelve million, four hundred eighty-nine thousand, one hundred eighty-four".
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