Search a number
-
+
14141221 = 67211063
BaseRepresentation
bin110101111100…
…011100100101
3222121110002221
4311330130211
512110004341
61223032341
7231125023
oct65743445
928543087
1014141221
117a89566
12489b6b1
132c117b3
141c41713
151394ed1
hexd7c725

14141221 has 4 divisors (see below), whose sum is σ = 14352352. Its totient is φ = 13930092.

The previous prime is 14141209. The next prime is 14141233. The reversal of 14141221 is 12214141.

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: 12214141 = 73167317.

It is an interprime number because it is at equal distance from previous prime (14141209) and next prime (14141233).

It is a cyclic number.

It is not a de Polignac number, because 14141221 - 25 = 14141189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14141195 and 14141204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14141201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105465 + ... + 105598.

It is an arithmetic number, because the mean of its divisors is an integer number (3588088).

Almost surely, 214141221 is an apocalyptic number.

It is an amenable number.

14141221 is a deficient number, since it is larger than the sum of its proper divisors (211131).

14141221 is an equidigital number, since it uses as much as digits as its factorization.

14141221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211130.

The product of its digits is 64, while the sum is 16.

The square root of 14141221 is about 3760.4814851293. The cubic root of 14141221 is about 241.8219041179.

Adding to 14141221 its reverse (12214141), we get a palindrome (26355362).

The spelling of 14141221 in words is "fourteen million, one hundred forty-one thousand, two hundred twenty-one".

Divisors: 1 67 211063 14141221