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18114190 = 2516311113
BaseRepresentation
bin100010100011…
…0011010001110
31021002021222221
41011012122032
514114123230
61444125554
7306653023
oct105063216
937067887
1018114190
11a252506
1260968ba
1339a2c73
14259754a
1518cc27a
hex114668e

18114190 has 16 divisors (see below), whose sum is σ = 32808528. Its totient is φ = 7200576.

The previous prime is 18114167. The next prime is 18114193. The reversal of 18114190 is 9141181.

It is a super-2 number, since 2×181141902 = 656247758712200, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18114193) 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, 3927 + ... + 7186.

It is an arithmetic number, because the mean of its divisors is an integer number (2050533).

Almost surely, 218114190 is an apocalyptic number.

18114190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18114190 is a deficient number, since it is larger than the sum of its proper divisors (14694338).

18114190 is a wasteful number, since it uses less digits than its factorization.

18114190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11283.

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 18114190 is about 4256.0768320133. The cubic root of 18114190 is about 262.6271613681.

The spelling of 18114190 in words is "eighteen million, one hundred fourteen thousand, one hundred ninety".

Divisors: 1 2 5 10 163 326 815 1630 11113 22226 55565 111130 1811419 3622838 9057095 18114190