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14228147 = 29274861
BaseRepresentation
bin110110010001…
…101010110011
3222202212100102
4312101222303
512120300042
61224543015
7231636323
oct66215263
928685312
1014228147
1180388aa
124921a6b
132c4222b
141c65283
1513b0b32
hexd91ab3

14228147 has 4 divisors (see below), whose sum is σ = 14235936. Its totient is φ = 14220360.

The previous prime is 14228143. The next prime is 14228161. The reversal of 14228147 is 74182241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 14228147 - 22 = 14228143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14228143) 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, 497 + ... + 5357.

It is an arithmetic number, because the mean of its divisors is an integer number (3558984).

Almost surely, 214228147 is an apocalyptic number.

14228147 is a deficient number, since it is larger than the sum of its proper divisors (7789).

14228147 is an equidigital number, since it uses as much as digits as its factorization.

14228147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7788.

The product of its digits is 3584, while the sum is 29.

The square root of 14228147 is about 3772.0216065129. The cubic root of 14228147 is about 242.3163849018.

The spelling of 14228147 in words is "fourteen million, two hundred twenty-eight thousand, one hundred forty-seven".

Divisors: 1 2927 4861 14228147