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14223911 = 131094147
BaseRepresentation
bin110110010000…
…101000100111
3222202122112112
4312100220213
512120131121
61224511235
7231621062
oct66205047
928678475
1014223911
1180356a9
12491b51b
132c40320
141c638d9
1513ae75b
hexd90a27

14223911 has 4 divisors (see below), whose sum is σ = 15318072. Its totient is φ = 13129752.

The previous prime is 14223901. The next prime is 14223929. The reversal of 14223911 is 11932241.

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 14223911 - 214 = 14207527 is a prime.

It is a super-3 number, since 3×142239113 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14223901) 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 in 3 ways as a sum of consecutive naturals, for example, 547061 + ... + 547086.

It is an arithmetic number, because the mean of its divisors is an integer number (3829518).

Almost surely, 214223911 is an apocalyptic number.

14223911 is a deficient number, since it is larger than the sum of its proper divisors (1094161).

14223911 is a wasteful number, since it uses less digits than its factorization.

14223911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094160.

The product of its digits is 432, while the sum is 23.

The square root of 14223911 is about 3771.4600620980. The cubic root of 14223911 is about 242.2923350591.

The spelling of 14223911 in words is "fourteen million, two hundred twenty-three thousand, nine hundred eleven".

Divisors: 1 13 1094147 14223911