Search a number
-
+
14137021 = 36713851
BaseRepresentation
bin110101111011…
…011010111101
3222121020100101
4311323122331
512104341041
61223001101
7231106543
oct65733275
928536311
1014137021
117a86398
124899191
132c0c902
141c3dd93
151393b31
hexd7b6bd

14137021 has 4 divisors (see below), whose sum is σ = 14144544. Its totient is φ = 14129500.

The previous prime is 14137009. The next prime is 14137031. The reversal of 14137021 is 12073141.

14137021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12073141 = 16017541.

It is a cyclic number.

It is not a de Polignac number, because 14137021 - 29 = 14136509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14137021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14137031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1746 + ... + 5596.

It is an arithmetic number, because the mean of its divisors is an integer number (3536136).

Almost surely, 214137021 is an apocalyptic number.

It is an amenable number.

14137021 is a deficient number, since it is larger than the sum of its proper divisors (7523).

14137021 is an equidigital number, since it uses as much as digits as its factorization.

14137021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7522.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 14137021 is about 3759.9230045308. The cubic root of 14137021 is about 241.7979610518.

The spelling of 14137021 in words is "fourteen million, one hundred thirty-seven thousand, twenty-one".

Divisors: 1 3671 3851 14137021