Base | Representation |
---|---|
bin | 101111010000… |
… | …011011010001 |
3 | 212022101012122 |
4 | 233100123101 |
5 | 11132404144 |
6 | 1121304025 |
7 | 210203522 |
oct | 57203321 |
9 | 25271178 |
10 | 12388049 |
11 | 6aa1363 |
12 | 4195015 |
13 | 274980b |
14 | 1906849 |
15 | 114a7ee |
hex | bd06d1 |
12388049 has 2 divisors, whose sum is σ = 12388050. Its totient is φ = 12388048.
The previous prime is 12388037. The next prime is 12388067. The reversal of 12388049 is 94088321.
It is a happy number.
12388049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6723649 + 5664400 = 2593^2 + 2380^2 .
It is an emirp because it is prime and its reverse (94088321) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12388049 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (12388349) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6194024 + 6194025.
It is an arithmetic number, because the mean of its divisors is an integer number (6194025).
Almost surely, 212388049 is an apocalyptic number.
It is an amenable number.
12388049 is a deficient number, since it is larger than the sum of its proper divisors (1).
12388049 is an equidigital number, since it uses as much as digits as its factorization.
12388049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13824, while the sum is 35.
The square root of 12388049 is about 3519.6660352937. Note that the first 3 decimals coincide. The cubic root of 12388049 is about 231.3845222665.
The spelling of 12388049 in words is "twelve million, three hundred eighty-eight thousand, forty-nine".
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