Base | Representation |
---|---|
bin | 111110100010001111101 |
3 | 10212002220102 |
4 | 13310101331 |
5 | 1011033044 |
6 | 111530445 |
7 | 23263124 |
oct | 7642175 |
9 | 3762812 |
10 | 2049149 |
11 | 117a613 |
12 | 829a25 |
13 | 56991b |
14 | 3b4abb |
15 | 2a724e |
hex | 1f447d |
2049149 has 2 divisors, whose sum is σ = 2049150. Its totient is φ = 2049148.
The previous prime is 2049143. The next prime is 2049161. The reversal of 2049149 is 9419402.
2049149 is nontrivially palindromic in base 4.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1545049 + 504100 = 1243^2 + 710^2 .
It is a cyclic number.
It is not a de Polignac number, because 2049149 - 212 = 2045053 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2049143) 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, 1024574 + 1024575.
It is an arithmetic number, because the mean of its divisors is an integer number (1024575).
22049149 is an apocalyptic number.
It is an amenable number.
2049149 is a deficient number, since it is larger than the sum of its proper divisors (1).
2049149 is an equidigital number, since it uses as much as digits as its factorization.
2049149 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 2049149 is about 1431.4848933887. The cubic root of 2049149 is about 127.0158287254.
The spelling of 2049149 in words is "two million, forty-nine thousand, one hundred forty-nine".
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