Search a number
-
+
8238838253 is a prime number
BaseRepresentation
bin1111010110001001…
…01011000111101101
3210021011211100101112
413223010223013231
5113333120311003
63441310521405
7411110653412
oct75304530755
923234740345
108238838253
113548678138
12171b206265
13a13b78229
145822ba109
153334773d8
hex1eb12b1ed

8238838253 has 2 divisors, whose sum is σ = 8238838254. Its totient is φ = 8238838252.

The previous prime is 8238838217. The next prime is 8238838301. The reversal of 8238838253 is 3528388328.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4811087044 + 3427751209 = 69362^2 + 58547^2 .

It is a cyclic number.

It is not a de Polignac number, because 8238838253 - 214 = 8238821869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8238838753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4119419126 + 4119419127.

It is an arithmetic number, because the mean of its divisors is an integer number (4119419127).

Almost surely, 28238838253 is an apocalyptic number.

It is an amenable number.

8238838253 is a deficient number, since it is larger than the sum of its proper divisors (1).

8238838253 is an equidigital number, since it uses as much as digits as its factorization.

8238838253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2211840, while the sum is 50.

The square root of 8238838253 is about 90768.0464315499. The cubic root of 8238838253 is about 2019.7083404837.

The spelling of 8238838253 in words is "eight billion, two hundred thirty-eight million, eight hundred thirty-eight thousand, two hundred fifty-three".