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18114411 = 374718353
BaseRepresentation
bin100010100011…
…0011101101011
31021002022022010
41011012131223
514114130121
61444131003
7306653460
oct105063553
937068263
1018114411
11a252697
126096a63
1339a30b3
142597667
1518cc376
hex114676b

18114411 has 16 divisors (see below), whose sum is σ = 28191744. Its totient is φ = 10130304.

The previous prime is 18114407. The next prime is 18114427. The reversal of 18114411 is 11441181.

It is not a de Polignac number, because 18114411 - 22 = 18114407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (18114431) 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 15 ways as a sum of consecutive naturals, for example, 8190 + ... + 10163.

It is an arithmetic number, because the mean of its divisors is an integer number (1761984).

Almost surely, 218114411 is an apocalyptic number.

18114411 is a deficient number, since it is larger than the sum of its proper divisors (10077333).

18114411 is a wasteful number, since it uses less digits than its factorization.

18114411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18410.

The product of its digits is 128, while the sum is 21.

The square root of 18114411 is about 4256.1027948112. The cubic root of 18114411 is about 262.6282294141.

Adding to 18114411 its reverse (11441181), we get a palindrome (29555592).

The spelling of 18114411 in words is "eighteen million, one hundred fourteen thousand, four hundred eleven".

Divisors: 1 3 7 21 47 141 329 987 18353 55059 128471 385413 862591 2587773 6038137 18114411