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18093119 = 113197547
BaseRepresentation
bin100010100000…
…1010000111111
31021001020002112
41011001100333
514112434434
61443444235
7306534422
oct105012077
937036075
1018093119
11a2386a0
12608667b
1339964b5
14258d9b9
1518c5dce
hex114143f

18093119 has 16 divisors (see below), whose sum is σ = 20622336. Its totient is φ = 15724800.

The previous prime is 18093113. The next prime is 18093137. The reversal of 18093119 is 91139081.

It is a cyclic number.

It is not a de Polignac number, because 18093119 - 28 = 18092863 is a prime.

It is a super-2 number, since 2×180931192 = 654721910296322, which contains 22 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 (18093113) 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 15 ways as a sum of consecutive naturals, for example, 32804 + ... + 33350.

It is an arithmetic number, because the mean of its divisors is an integer number (1288896).

Almost surely, 218093119 is an apocalyptic number.

18093119 is a deficient number, since it is larger than the sum of its proper divisors (2529217).

18093119 is a wasteful number, since it uses less digits than its factorization.

18093119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 18093119 is about 4253.6007099868. The cubic root of 18093119 is about 262.5252897781.

The spelling of 18093119 in words is "eighteen million, ninety-three thousand, one hundred nineteen".

Divisors: 1 11 31 97 341 547 1067 3007 6017 16957 33077 53059 186527 583649 1644829 18093119