Search a number
-
+
5181443 = 371311069
BaseRepresentation
bin10011110001000000000011
3100202020121022
4103301000003
52311301233
6303020055
762020151
oct23610003
910666538
105181443
112a19993
12189a62b
1310c5557
1498c3d1
156c5398
hex4f1003

5181443 has 8 divisors (see below), whose sum is σ = 5367120. Its totient is φ = 4998240.

The previous prime is 5181431. The next prime is 5181469. The reversal of 5181443 is 3441815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5181443 - 210 = 5180419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5186443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4313 + ... + 5381.

It is an arithmetic number, because the mean of its divisors is an integer number (670890).

Almost surely, 25181443 is an apocalyptic number.

5181443 is a deficient number, since it is larger than the sum of its proper divisors (185677).

5181443 is a wasteful number, since it uses less digits than its factorization.

5181443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237.

The product of its digits is 1920, while the sum is 26.

The square root of 5181443 is about 2276.2783221742. The cubic root of 5181443 is about 173.0414882621.

The spelling of 5181443 in words is "five million, one hundred eighty-one thousand, four hundred forty-three".

Divisors: 1 37 131 1069 4847 39553 140039 5181443