Base | Representation |
---|---|
bin | 10111011001010… |
… | …00001001010101 |
3 | 111200021102211222 |
4 | 23230220021111 |
5 | 400214420044 |
6 | 31250140125 |
7 | 4602040016 |
oct | 1354501125 |
9 | 450242758 |
10 | 196248149 |
11 | a0860159 |
12 | 55881645 |
13 | 31872686 |
14 | 1c0c700d |
15 | 123678ee |
hex | bb28255 |
196248149 has 2 divisors, whose sum is σ = 196248150. Its totient is φ = 196248148.
The previous prime is 196248137. The next prime is 196248203. The reversal of 196248149 is 941842691.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 177369124 + 18879025 = 13318^2 + 4345^2 .
It is an emirp because it is prime and its reverse (941842691) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 196248149 - 224 = 179470933 is a prime.
It is a plaindrome in base 15.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (196248449) 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, 98124074 + 98124075.
It is an arithmetic number, because the mean of its divisors is an integer number (98124075).
Almost surely, 2196248149 is an apocalyptic number.
It is an amenable number.
196248149 is a deficient number, since it is larger than the sum of its proper divisors (1).
196248149 is an equidigital number, since it uses as much as digits as its factorization.
196248149 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 124416, while the sum is 44.
The square root of 196248149 is about 14008.8596609431. The cubic root of 196248149 is about 581.1236135736.
The spelling of 196248149 in words is "one hundred ninety-six million, two hundred forty-eight thousand, one hundred forty-nine".
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