Base | Representation |
---|---|
bin | 110001001100… |
… | …000011101100 |
3 | 220021002212000 |
4 | 301030003230 |
5 | 11300110234 |
6 | 1140212300 |
7 | 214413063 |
oct | 61140354 |
9 | 26232760 |
10 | 12894444 |
11 | 7307872 |
12 | 439a090 |
13 | 2896164 |
14 | 19d91da |
15 | 11ea899 |
hex | c4c0ec |
12894444 has 96 divisors (see below), whose sum is σ = 36288000. Its totient is φ = 3947328.
The previous prime is 12894443. The next prime is 12894457. The reversal of 12894444 is 44449821.
12894444 is a `hidden beast` number, since 128 + 94 + 444 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 12894399 and 12894408.
It is not an unprimeable number, because it can be changed into a prime (12894443) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71947 + ... + 72125.
It is an arithmetic number, because the mean of its divisors is an integer number (378000).
Almost surely, 212894444 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 12894444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18144000).
12894444 is an abundant number, since it is smaller than the sum of its proper divisors (23393556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12894444 is a wasteful number, since it uses less digits than its factorization.
12894444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244 (or 236 counting only the distinct ones).
The product of its digits is 36864, while the sum is 36.
The square root of 12894444 is about 3590.8834567555. The cubic root of 12894444 is about 234.4953346862.
The spelling of 12894444 in words is "twelve million, eight hundred ninety-four thousand, four hundred forty-four".
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