Search a number
-
+
14130289 = 30746027
BaseRepresentation
bin110101111001…
…110001110001
3222120220010001
4311321301301
512104132124
61222510001
7231051115
oct65716161
928526101
1014130289
117a81328
124895301
132c09824
141c3b745
151391b44
hexd79c71

14130289 has 4 divisors (see below), whose sum is σ = 14176624. Its totient is φ = 14083956.

The previous prime is 14130287. The next prime is 14130293. The reversal of 14130289 is 98203141.

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: 98203141 = 569172589.

It is a cyclic number.

It is not a de Polignac number, because 14130289 - 21 = 14130287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14130283) 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, 22707 + ... + 23320.

It is an arithmetic number, because the mean of its divisors is an integer number (3544156).

Almost surely, 214130289 is an apocalyptic number.

It is an amenable number.

14130289 is a deficient number, since it is larger than the sum of its proper divisors (46335).

14130289 is an equidigital number, since it uses as much as digits as its factorization.

14130289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46334.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 14130289 is about 3759.0276668309. The cubic root of 14130289 is about 241.7595738432.

The spelling of 14130289 in words is "fourteen million, one hundred thirty thousand, two hundred eighty-nine".

Divisors: 1 307 46027 14130289