Search a number
-
+
14431420 = 225721571
BaseRepresentation
bin110111000011…
…010010111100
31000011012012001
4313003102330
512143301140
61233152044
7233444053
oct67032274
930135161
1014431420
1181675a3
1249bb624
132cb3903
141cb939a
151400e9a
hexdc34bc

14431420 has 12 divisors (see below), whose sum is σ = 30306024. Its totient is φ = 5772560.

The previous prime is 14431409. The next prime is 14431421. The reversal of 14431420 is 2413441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14431421) 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, 360766 + ... + 360805.

It is an arithmetic number, because the mean of its divisors is an integer number (2525502).

Almost surely, 214431420 is an apocalyptic number.

14431420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14431420 is an abundant number, since it is smaller than the sum of its proper divisors (15874604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14431420 is a wasteful number, since it uses less digits than its factorization.

14431420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721580 (or 721578 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 14431420 is about 3798.8708848815. The cubic root of 14431420 is about 243.4648983072.

Adding to 14431420 its reverse (2413441), we get a palindrome (16844861).

The spelling of 14431420 in words is "fourteen million, four hundred thirty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 721571 1443142 2886284 3607855 7215710 14431420