Search a number
-
+
14442321 = 323375657
BaseRepresentation
bin110111000101…
…111101010001
31000011202010210
4313011331101
512144123241
61233314333
7233520615
oct67057521
930152123
1014442321
118174803
124a059a9
132cb886a
141cbd345
151404316
hexdc5f51

14442321 has 16 divisors (see below), whose sum is σ = 20640384. Its totient is φ = 8959104.

The previous prime is 14442283. The next prime is 14442331. The reversal of 14442321 is 12324441.

It is not a de Polignac number, because 14442321 - 215 = 14409553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14442331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276 + ... + 5381.

It is an arithmetic number, because the mean of its divisors is an integer number (1290024).

Almost surely, 214442321 is an apocalyptic number.

It is an amenable number.

14442321 is a deficient number, since it is larger than the sum of its proper divisors (6198063).

14442321 is a wasteful number, since it uses less digits than its factorization.

14442321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5720.

The product of its digits is 768, while the sum is 21.

The square root of 14442321 is about 3800.3053824660. The cubic root of 14442321 is about 243.5261845583.

Adding to 14442321 its reverse (12324441), we get a palindrome (26766762).

The spelling of 14442321 in words is "fourteen million, four hundred forty-two thousand, three hundred twenty-one".

Divisors: 1 3 23 37 69 111 851 2553 5657 16971 130111 209309 390333 627927 4814107 14442321