Search a number
-
+
11418143 = 112345131
BaseRepresentation
bin101011100011…
…101000011111
3210111002202012
4223203220133
510410340033
61044421435
7166024022
oct53435037
923432665
1011418143
116499690
1239a787b
13249a1c9
1417331b9
151008248
hexae3a1f

11418143 has 8 divisors (see below), whose sum is σ = 12998016. Its totient is φ = 9928600.

The previous prime is 11418119. The next prime is 11418157. The reversal of 11418143 is 34181411.

It is a happy number.

11418143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11418143 - 26 = 11418079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11418103) 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, 22313 + ... + 22818.

It is an arithmetic number, because the mean of its divisors is an integer number (1624752).

Almost surely, 211418143 is an apocalyptic number.

11418143 is a deficient number, since it is larger than the sum of its proper divisors (1579873).

11418143 is a wasteful number, since it uses less digits than its factorization.

11418143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45165.

The product of its digits is 384, while the sum is 23.

The square root of 11418143 is about 3379.0742815156. The cubic root of 11418143 is about 225.1810427650.

Adding to 11418143 its reverse (34181411), we get a palindrome (45599554).

The spelling of 11418143 in words is "eleven million, four hundred eighteen thousand, one hundred forty-three".

Divisors: 1 11 23 253 45131 496441 1038013 11418143