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18067014 = 2327223643
BaseRepresentation
bin100010011101…
…0111001000110
31020222220021200
41010322321012
514111121024
61443123330
7306365340
oct104727106
936886250
1018067014
11a220019
126073546
133987654
142584290
1518bd2c9
hex113ae46

18067014 has 48 divisors (see below), whose sum is σ = 45007872. Its totient is φ = 5130864.

The previous prime is 18067013. The next prime is 18067031. The reversal of 18067014 is 41076081.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18067013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27777 + ... + 28419.

It is an arithmetic number, because the mean of its divisors is an integer number (937664).

Almost surely, 218067014 is an apocalyptic number.

18067014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18067014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22503936).

18067014 is an abundant number, since it is smaller than the sum of its proper divisors (26940858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18067014 is a wasteful number, since it uses less digits than its factorization.

18067014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 18067014 is about 4250.5310256484. The cubic root of 18067014 is about 262.3989706453.

The spelling of 18067014 in words is "eighteen million, sixty-seven thousand, fourteen".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 223 446 643 669 1286 1338 1561 1929 2007 3122 3858 4014 4501 4683 5787 9002 9366 11574 13503 14049 27006 28098 40509 81018 143389 286778 430167 860334 1003723 1290501 2007446 2581002 3011169 6022338 9033507 18067014