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18144314 = 2293071019
BaseRepresentation
bin100010100110…
…1110000111010
31021010211022122
41011031300322
514121104224
61444521242
7310136606
oct105156072
937124278
1018144314
11a273101
1260b0222
1339b38a6
1425a4506
1518d615e
hex114dc3a

18144314 has 16 divisors (see below), whose sum is σ = 28274400. Its totient is φ = 8722224.

The previous prime is 18144281. The next prime is 18144317. The reversal of 18144314 is 41344181.

It is a super-2 number, since 2×181443142 = 658432261061192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18144317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17297 + ... + 18315.

It is an arithmetic number, because the mean of its divisors is an integer number (1767150).

Almost surely, 218144314 is an apocalyptic number.

18144314 is a deficient number, since it is larger than the sum of its proper divisors (10130086).

18144314 is a wasteful number, since it uses less digits than its factorization.

18144314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357.

The product of its digits is 1536, while the sum is 26.

The square root of 18144314 is about 4259.6143017884. The cubic root of 18144314 is about 262.7726642234.

Adding to 18144314 its reverse (41344181), we get a palindrome (59488495).

The spelling of 18144314 in words is "eighteen million, one hundred forty-four thousand, three hundred fourteen".

Divisors: 1 2 29 58 307 614 1019 2038 8903 17806 29551 59102 312833 625666 9072157 18144314