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14041821 = 34680607
BaseRepresentation
bin110101100100…
…001011011101
3222102101202110
4311210023131
512043314241
61220544233
7230232153
oct65441335
928371673
1014041821
117a20912
124852079
132ba8491
141c173d3
151375816
hexd642dd

14041821 has 4 divisors (see below), whose sum is σ = 18722432. Its totient is φ = 9361212.

The previous prime is 14041801. The next prime is 14041831. The reversal of 14041821 is 12814041.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12814041 = 34271347.

It is not a de Polignac number, because 14041821 - 214 = 14025437 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 (14041801) 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, 2340301 + ... + 2340306.

It is an arithmetic number, because the mean of its divisors is an integer number (4680608).

Almost surely, 214041821 is an apocalyptic number.

It is an amenable number.

14041821 is a deficient number, since it is larger than the sum of its proper divisors (4680611).

14041821 is an equidigital number, since it uses as much as digits as its factorization.

14041821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680610.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 14041821 is about 3747.2417856338. The cubic root of 14041821 is about 241.2539748958.

Adding to 14041821 its reverse (12814041), we get a palindrome (26855862).

The spelling of 14041821 in words is "fourteen million, forty-one thousand, eight hundred twenty-one".

Divisors: 1 3 4680607 14041821