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14668447 = 41357767
BaseRepresentation
bin110111111101…
…001010011111
31000121020022211
4313331022133
512223342242
61242221251
7235452103
oct67751237
930536284
1014668447
118309692
124ab4827
133067771
141d3b903
15144b317
hexdfd29f

14668447 has 4 divisors (see below), whose sum is σ = 15026256. Its totient is φ = 14310640.

The previous prime is 14668441. The next prime is 14668469. The reversal of 14668447 is 74486641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74486641 = 148350227.

It is not a de Polignac number, because 14668447 - 223 = 6279839 is a prime.

It is a Smith number, since the sum of its digits (40) 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14668441) 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, 178843 + ... + 178924.

It is an arithmetic number, because the mean of its divisors is an integer number (3756564).

Almost surely, 214668447 is an apocalyptic number.

14668447 is a deficient number, since it is larger than the sum of its proper divisors (357809).

14668447 is an equidigital number, since it uses as much as digits as its factorization.

14668447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357808.

The product of its digits is 129024, while the sum is 40.

The square root of 14668447 is about 3829.9408611622. The cubic root of 14668447 is about 244.7905860132.

The spelling of 14668447 in words is "fourteen million, six hundred sixty-eight thousand, four hundred forty-seven".

Divisors: 1 41 357767 14668447