Search a number
-
+
9422143 = 67140629
BaseRepresentation
bin100011111100…
…010100111111
3122201200202021
4203330110333
54403002033
6533541011
7143041543
oct43742477
918650667
109422143
115355aa5
1231a4767
131c4b843
141373a23
15c61b2d
hex8fc53f

9422143 has 4 divisors (see below), whose sum is σ = 9562840. Its totient is φ = 9281448.

The previous prime is 9422113. The next prime is 9422159. The reversal of 9422143 is 3412249.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3412249 = 14922901.

It is a cyclic number.

It is not a de Polignac number, because 9422143 - 29 = 9421631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9422113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70248 + ... + 70381.

It is an arithmetic number, because the mean of its divisors is an integer number (2390710).

Almost surely, 29422143 is an apocalyptic number.

9422143 is a deficient number, since it is larger than the sum of its proper divisors (140697).

9422143 is a wasteful number, since it uses less digits than its factorization.

9422143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140696.

The product of its digits is 1728, while the sum is 25.

The square root of 9422143 is about 3069.5509443565. The cubic root of 9422143 is about 211.2110150625.

The spelling of 9422143 in words is "nine million, four hundred twenty-two thousand, one hundred forty-three".

Divisors: 1 67 140629 9422143