Search a number
-
+
14242819 = 23619253
BaseRepresentation
bin110110010101…
…010000000011
3222210121110211
4312111100003
512121232234
61225134551
7232030153
oct66252003
928717424
1014242819
118048928
12492a457
132c48b06
141c6a763
1513b5164
hexd95403

14242819 has 4 divisors (see below), whose sum is σ = 14862096. Its totient is φ = 13623544.

The previous prime is 14242783. The next prime is 14242853. The reversal of 14242819 is 91824241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91824241 = 163756093.

It is not a de Polignac number, because 14242819 - 29 = 14242307 is a prime.

It is a super-2 number, since 2×142428192 = 405715786133522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14242619) 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, 309604 + ... + 309649.

It is an arithmetic number, because the mean of its divisors is an integer number (3715524).

Almost surely, 214242819 is an apocalyptic number.

14242819 is a deficient number, since it is larger than the sum of its proper divisors (619277).

14242819 is an equidigital number, since it uses as much as digits as its factorization.

14242819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619276.

The product of its digits is 4608, while the sum is 31.

The square root of 14242819 is about 3773.9659510918. The cubic root of 14242819 is about 242.3996481367.

The spelling of 14242819 in words is "fourteen million, two hundred forty-two thousand, eight hundred nineteen".

Divisors: 1 23 619253 14242819