Search a number
-
+
14031421 = 33142391
BaseRepresentation
bin110101100001…
…101000111101
3222101212111021
4311201220331
512043001141
61220424141
7230156635
oct65415075
928355437
1014031421
117a14018
124848051
132ba3821
141c136c5
1513726d1
hexd61a3d

14031421 has 4 divisors (see below), whose sum is σ = 14074144. Its totient is φ = 13988700.

The previous prime is 14031419. The next prime is 14031463. The reversal of 14031421 is 12413041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14031421 - 21 = 14031419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14031395 and 14031404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14031401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20865 + ... + 21526.

It is an arithmetic number, because the mean of its divisors is an integer number (3518536).

Almost surely, 214031421 is an apocalyptic number.

It is an amenable number.

14031421 is a deficient number, since it is larger than the sum of its proper divisors (42723).

14031421 is an equidigital number, since it uses as much as digits as its factorization.

14031421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42722.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 14031421 is about 3745.8538412490. The cubic root of 14031421 is about 241.1943990276.

Adding to 14031421 its reverse (12413041), we get a palindrome (26444462).

The spelling of 14031421 in words is "fourteen million, thirty-one thousand, four hundred twenty-one".

Divisors: 1 331 42391 14031421