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18053169 = 318233301
BaseRepresentation
bin100010011011…
…1100000110001
31020222012021220
41010313200301
514110200134
61442535253
7306310101
oct104674061
936865256
1018053169
11a210682
126067529
133981264
14257d201
1518b9149
hex1137831

18053169 has 8 divisors (see below), whose sum is σ = 24091392. Its totient is φ = 12025200.

The previous prime is 18053149. The next prime is 18053209. The reversal of 18053169 is 96135081.

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

It is not a de Polignac number, because 18053169 - 219 = 17528881 is a prime.

It is a super-2 number, since 2×180531692 = 651833821885122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18053149) 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, 3819 + ... + 7119.

It is an arithmetic number, because the mean of its divisors is an integer number (3011424).

Almost surely, 218053169 is an apocalyptic number.

It is an amenable number.

18053169 is a deficient number, since it is larger than the sum of its proper divisors (6038223).

18053169 is a wasteful number, since it uses less digits than its factorization.

18053169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5127.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 18053169 is about 4248.9020934825. The cubic root of 18053169 is about 262.3319268765.

The spelling of 18053169 in words is "eighteen million, fifty-three thousand, one hundred sixty-nine".

Divisors: 1 3 1823 3301 5469 9903 6017723 18053169