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18316027 = 231316079
BaseRepresentation
bin100010111011…
…1101011111011
31021110112212101
41011313223323
514142103102
61452324231
7311453332
oct105675373
937415771
1018316027
11a380114
126173677
133a43ab2
14260ad19
15191be87
hex1177afb

18316027 has 8 divisors (see below), whose sum is σ = 19261440. Its totient is φ = 17383080.

The previous prime is 18316013. The next prime is 18316031. The reversal of 18316027 is 72061381.

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

It is a cyclic number.

It is not a de Polignac number, because 18316027 - 211 = 18313979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18315986 and 18316004.

It is not an unprimeable number, because it can be changed into a prime (18316007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27 + ... + 6052.

It is an arithmetic number, because the mean of its divisors is an integer number (2407680).

Almost surely, 218316027 is an apocalyptic number.

18316027 is a deficient number, since it is larger than the sum of its proper divisors (945413).

18316027 is a wasteful number, since it uses less digits than its factorization.

18316027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6233.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 18316027 is about 4279.7227713954. The cubic root of 18316027 is about 263.5989999908.

The spelling of 18316027 in words is "eighteen million, three hundred sixteen thousand, twenty-seven".

Divisors: 1 23 131 3013 6079 139817 796349 18316027