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14144447 = 40934583
BaseRepresentation
bin110101111101…
…001110111111
3222121121112102
4311331032333
512110110242
61223055315
7231140312
oct65751677
928547472
1014144447
117a90a29
1248a153b
132c130c5
141c42979
151395e32
hexd7d3bf

14144447 has 4 divisors (see below), whose sum is σ = 14179440. Its totient is φ = 14109456.

The previous prime is 14144423. The next prime is 14144477. The reversal of 14144447 is 74444141.

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

It is a cyclic number.

It is not a de Polignac number, because 14144447 - 214 = 14128063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14144477) 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, 16883 + ... + 17700.

It is an arithmetic number, because the mean of its divisors is an integer number (3544860).

Almost surely, 214144447 is an apocalyptic number.

14144447 is a deficient number, since it is larger than the sum of its proper divisors (34993).

14144447 is an equidigital number, since it uses as much as digits as its factorization.

14144447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34992.

The product of its digits is 7168, while the sum is 29.

The square root of 14144447 is about 3760.9103951038. The cubic root of 14144447 is about 241.8402914539.

Adding to 14144447 its reverse (74444141), we get a palindrome (88588588).

The spelling of 14144447 in words is "fourteen million, one hundred forty-four thousand, four hundred forty-seven".

Divisors: 1 409 34583 14144447