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14438506 = 27219253
BaseRepresentation
bin110111000101…
…000001101010
31000011112220111
4313011001222
512144013011
61233244534
7233503525
oct67050152
930145814
1014438506
118171955
124a0374a
132cb6bc4
141cbbbbc
151403121
hexdc506a

14438506 has 4 divisors (see below), whose sum is σ = 21657762. Its totient is φ = 7219252.

The previous prime is 14438471. The next prime is 14438509. The reversal of 14438506 is 60583441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14402025 + 36481 = 3795^2 + 191^2 .

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 not an unprimeable number, because it can be changed into a prime (14438509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3609625 + ... + 3609628.

Almost surely, 214438506 is an apocalyptic number.

14438506 is a deficient number, since it is larger than the sum of its proper divisors (7219256).

14438506 is an equidigital number, since it uses as much as digits as its factorization.

14438506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7219255.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 14438506 is about 3799.8034159677. The cubic root of 14438506 is about 243.5047398470.

The spelling of 14438506 in words is "fourteen million, four hundred thirty-eight thousand, five hundred six".

Divisors: 1 2 7219253 14438506