Search a number
-
+
38087219 is a prime number
BaseRepresentation
bin1001000101001…
…0101000110011
32122200000211202
42101102220303
534222242334
63440201415
7641510312
oct221225063
978600752
1038087219
111a554545
121090926b
137b77021
1450b6279
15352517e
hex2452a33

38087219 has 2 divisors, whose sum is σ = 38087220. Its totient is φ = 38087218.

The previous prime is 38087213. The next prime is 38087221. The reversal of 38087219 is 91278083.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38087219 is a prime.

It is a super-2 number, since 2×380872192 = 2901272502307922, which contains 22 as substring.

Together with 38087221, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38087213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19043609 + 19043610.

It is an arithmetic number, because the mean of its divisors is an integer number (19043610).

Almost surely, 238087219 is an apocalyptic number.

38087219 is a deficient number, since it is larger than the sum of its proper divisors (1).

38087219 is an equidigital number, since it uses as much as digits as its factorization.

38087219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 38087219 is about 6171.4843433326. The cubic root of 38087219 is about 336.4545617992.

The spelling of 38087219 in words is "thirty-eight million, eighty-seven thousand, two hundred nineteen".