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18044067 = 37382393
BaseRepresentation
bin100010011010…
…1010010100011
31020221201210210
41010311102203
514104402232
61442425203
7306241416
oct104652243
936851723
1018044067
11a204858
126062203
13397a082
142579b7d
1518b65cc
hex11354a3

18044067 has 8 divisors (see below), whose sum is σ = 24388624. Its totient is φ = 11864448.

The previous prime is 18044063. The next prime is 18044069. The reversal of 18044067 is 76044081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18044067 - 22 = 18044063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18044063) 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 7 ways as a sum of consecutive naturals, for example, 40978 + ... + 41415.

It is an arithmetic number, because the mean of its divisors is an integer number (3048578).

Almost surely, 218044067 is an apocalyptic number.

18044067 is a deficient number, since it is larger than the sum of its proper divisors (6344557).

18044067 is an equidigital number, since it uses as much as digits as its factorization.

18044067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82469.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 18044067 is about 4247.8308582146. The cubic root of 18044067 is about 262.2878321879.

The spelling of 18044067 in words is "eighteen million, forty-four thousand, sixty-seven".

Divisors: 1 3 73 219 82393 247179 6014689 18044067