Search a number
-
+
14643143 = 73200591
BaseRepresentation
bin110111110110…
…111111000111
31000112221121122
4313312333013
512222040033
61241504155
7235315244
oct67667707
930487548
1014643143
1182a1679
124aa205b
1330590a8
141d325cb
151443a98
hexdf6fc7

14643143 has 4 divisors (see below), whose sum is σ = 14843808. Its totient is φ = 14442480.

The previous prime is 14643131. The next prime is 14643149. The reversal of 14643143 is 34134641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34134641 = 52365267.

It is a cyclic number.

It is not a de Polignac number, because 14643143 - 210 = 14642119 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 (14643149) 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, 100223 + ... + 100368.

It is an arithmetic number, because the mean of its divisors is an integer number (3710952).

Almost surely, 214643143 is an apocalyptic number.

14643143 is a deficient number, since it is larger than the sum of its proper divisors (200665).

14643143 is an equidigital number, since it uses as much as digits as its factorization.

14643143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200664.

The product of its digits is 3456, while the sum is 26.

The square root of 14643143 is about 3826.6359900048. The cubic root of 14643143 is about 244.6497452414.

Adding to 14643143 its reverse (34134641), we get a palindrome (48777784).

The spelling of 14643143 in words is "fourteen million, six hundred forty-three thousand, one hundred forty-three".

Divisors: 1 73 200591 14643143