Base | Representation |
---|---|
bin | 1001001111100101101101 |
3 | 11120002221021 |
4 | 21033211231 |
5 | 1110020044 |
6 | 123534141 |
7 | 26411401 |
oct | 11174555 |
9 | 4502837 |
10 | 2423149 |
11 | 1405603 |
12 | 98a351 |
13 | 66ac21 |
14 | 471101 |
15 | 32ce84 |
hex | 24f96d |
2423149 has 2 divisors, whose sum is σ = 2423150. Its totient is φ = 2423148.
The previous prime is 2423147. The next prime is 2423191. The reversal of 2423149 is 9413242.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2271049 + 152100 = 1507^2 + 390^2 .
It is a cyclic number.
It is not a de Polignac number, because 2423149 - 21 = 2423147 is a prime.
Together with 2423147, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2423147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211574 + 1211575.
It is an arithmetic number, because the mean of its divisors is an integer number (1211575).
22423149 is an apocalyptic number.
It is an amenable number.
2423149 is a deficient number, since it is larger than the sum of its proper divisors (1).
2423149 is an equidigital number, since it uses as much as digits as its factorization.
2423149 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1728, while the sum is 25.
The square root of 2423149 is about 1556.6467165031. The cubic root of 2423149 is about 134.3156773661.
The spelling of 2423149 in words is "two million, four hundred twenty-three thousand, one hundred forty-nine".
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