Search a number
-
+
5381291 = 41131251
BaseRepresentation
bin10100100001110010101011
3101010101202002
4110201302223
52334200131
6311201215
763511616
oct24416253
911111662
105381291
113046053
12197620b
1311654c6
14a0117d
157146cb
hex521cab

5381291 has 4 divisors (see below), whose sum is σ = 5512584. Its totient is φ = 5250000.

The previous prime is 5381281. The next prime is 5381293. The reversal of 5381291 is 1921835.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1921835 = 5384367.

It is a cyclic number.

It is not a de Polignac number, because 5381291 - 26 = 5381227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5381293) 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 in 3 ways as a sum of consecutive naturals, for example, 65585 + ... + 65666.

It is an arithmetic number, because the mean of its divisors is an integer number (1378146).

Almost surely, 25381291 is an apocalyptic number.

5381291 is a deficient number, since it is larger than the sum of its proper divisors (131293).

5381291 is a wasteful number, since it uses less digits than its factorization.

5381291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131292.

The product of its digits is 2160, while the sum is 29.

The square root of 5381291 is about 2319.7609790666. The cubic root of 5381291 is about 175.2382170787.

The spelling of 5381291 in words is "five million, three hundred eighty-one thousand, two hundred ninety-one".

Divisors: 1 41 131251 5381291