Base | Representation |
---|---|
bin | 11100011101111… |
… | …00100101101101 |
3 | 121122100020221022 |
4 | 32032330211231 |
5 | 442113033323 |
6 | 35410143525 |
7 | 5626521422 |
oct | 1616744555 |
9 | 548306838 |
10 | 238799213 |
11 | 112883424 |
12 | 67b81ba5 |
13 | 3a620413 |
14 | 23a01d49 |
15 | 15e704c8 |
hex | e3bc96d |
238799213 has 2 divisors, whose sum is σ = 238799214. Its totient is φ = 238799212.
The previous prime is 238799203. The next prime is 238799219. The reversal of 238799213 is 312997832.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 226111369 + 12687844 = 15037^2 + 3562^2 .
It is a cyclic number.
It is not a de Polignac number, because 238799213 - 214 = 238782829 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (238799219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119399606 + 119399607.
It is an arithmetic number, because the mean of its divisors is an integer number (119399607).
Almost surely, 2238799213 is an apocalyptic number.
It is an amenable number.
238799213 is a deficient number, since it is larger than the sum of its proper divisors (1).
238799213 is an equidigital number, since it uses as much as digits as its factorization.
238799213 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 163296, while the sum is 44.
The square root of 238799213 is about 15453.1295535888. The cubic root of 238799213 is about 620.4083444207.
The spelling of 238799213 in words is "two hundred thirty-eight million, seven hundred ninety-nine thousand, two hundred thirteen".
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