Search a number
-
+
19482691 is a prime number
BaseRepresentation
bin100101001010…
…0100001000011
31100122211020011
41022110201003
514441421231
61533325351
7324412564
oct112244103
940584204
1019482691
11aaa76a8
126636857
134061b27
14283216b
151a9c9b1
hex1294843

19482691 has 2 divisors, whose sum is σ = 19482692. Its totient is φ = 19482690.

The previous prime is 19482649. The next prime is 19482703. The reversal of 19482691 is 19628491.

It is a strong prime.

It is an emirp because it is prime and its reverse (19628491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19482691 - 219 = 18958403 is a prime.

It is not a weakly prime, because it can be changed into another prime (19482791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9741345 + 9741346.

It is an arithmetic number, because the mean of its divisors is an integer number (9741346).

Almost surely, 219482691 is an apocalyptic number.

19482691 is a deficient number, since it is larger than the sum of its proper divisors (1).

19482691 is an equidigital number, since it uses as much as digits as its factorization.

19482691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 40.

The square root of 19482691 is about 4413.9201397397. The cubic root of 19482691 is about 269.0809676896.

The spelling of 19482691 in words is "nineteen million, four hundred eighty-two thousand, six hundred ninety-one".