Search a number
-
+
5390191 is a prime number
BaseRepresentation
bin10100100011111101101111
3101010211221201
4110203331233
52334441231
6311310331
763546562
oct24437557
911124851
105390191
113051804
12197b3a7
131169581
14a044d9
15717161
hex523f6f

5390191 has 2 divisors, whose sum is σ = 5390192. Its totient is φ = 5390190.

The previous prime is 5390183. The next prime is 5390219. The reversal of 5390191 is 1910935.

It is an a-pointer prime, because the next prime (5390219) can be obtained adding 5390191 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5390191 - 23 = 5390183 is a prime.

It is equal to p373735 and since 5390191 and 373735 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5390131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2695095 + 2695096.

It is an arithmetic number, because the mean of its divisors is an integer number (2695096).

Almost surely, 25390191 is an apocalyptic number.

5390191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5390191 is an equidigital number, since it uses as much as digits as its factorization.

5390191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 5390191 is about 2321.6784876464. The cubic root of 5390191 is about 175.3347714256.

The spelling of 5390191 in words is "five million, three hundred ninety thousand, one hundred ninety-one".