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14220433 = 19373681
BaseRepresentation
bin110110001111…
…110010010001
3222202110202201
4312033302101
512120023213
61224443201
7231604663
oct66176221
928673681
1014220433
118033027
124919501
132c3b876
141c62533
1513ad6dd
hexd8fc91

14220433 has 4 divisors (see below), whose sum is σ = 14294308. Its totient is φ = 14146560.

The previous prime is 14220431. The next prime is 14220439. The reversal of 14220433 is 33402241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33402241 = 97344353.

It can be written as a sum of positive squares in 2 ways, for example, as 2331729 + 11888704 = 1527^2 + 3448^2 .

It is a cyclic number.

It is not a de Polignac number, because 14220433 - 21 = 14220431 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 14220433.

It is not an unprimeable number, because it can be changed into a prime (14220431) 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, 36648 + ... + 37033.

It is an arithmetic number, because the mean of its divisors is an integer number (3573577).

Almost surely, 214220433 is an apocalyptic number.

It is an amenable number.

14220433 is a deficient number, since it is larger than the sum of its proper divisors (73875).

14220433 is an equidigital number, since it uses as much as digits as its factorization.

14220433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73874.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 14220433 is about 3770.9989392733. The cubic root of 14220433 is about 242.2725851832.

Adding to 14220433 its reverse (33402241), we get a palindrome (47622674).

The spelling of 14220433 in words is "fourteen million, two hundred twenty thousand, four hundred thirty-three".

Divisors: 1 193 73681 14220433