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14443121 = 711187573
BaseRepresentation
bin110111000110…
…001001110001
31000011210020102
4313012021301
512144134441
61233322145
7233523140
oct67061161
930153212
1014443121
118175370
124a06355
132cb9034
141cbd757
15140469b
hexdc6271

14443121 has 8 divisors (see below), whose sum is σ = 18007104. Its totient is φ = 11254320.

The previous prime is 14443109. The next prime is 14443133. The reversal of 14443121 is 12134441.

14443121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14443109) and next prime (14443133).

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

It is a de Polignac number, because none of the positive numbers 2k-14443121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14443093 and 14443102.

It is not an unprimeable number, because it can be changed into a prime (14443621) 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, 93710 + ... + 93863.

It is an arithmetic number, because the mean of its divisors is an integer number (2250888).

Almost surely, 214443121 is an apocalyptic number.

14443121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14443121 is a deficient number, since it is larger than the sum of its proper divisors (3563983).

14443121 is a wasteful number, since it uses less digits than its factorization.

14443121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187591.

The product of its digits is 384, while the sum is 20.

The square root of 14443121 is about 3800.4106357077. The cubic root of 14443121 is about 243.5306810043.

Adding to 14443121 its reverse (12134441), we get a palindrome (26577562).

The spelling of 14443121 in words is "fourteen million, four hundred forty-three thousand, one hundred twenty-one".

Divisors: 1 7 11 77 187573 1313011 2063303 14443121