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18214 = 271301
BaseRepresentation
bin100011100100110
3220222121
410130212
51040324
6220154
7104050
oct43446
926877
1018214
1112759
12a65a
1383a1
1468d0
1555e4
hex4726

18214 has 8 divisors (see below), whose sum is σ = 31248. Its totient is φ = 7800.

The previous prime is 18211. The next prime is 18217. The reversal of 18214 is 41281.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18211) and next prime (18217).

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

It is a fibodiv number, since the Fibonacci-like sequence with seeds 182 and 14 contains 18214 itself.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637 + ... + 664.

It is an arithmetic number, because the mean of its divisors is an integer number (3906).

218214 is an apocalyptic number.

18214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18214 is a deficient number, since it is larger than the sum of its proper divisors (13034).

18214 is a wasteful number, since it uses less digits than its factorization.

18214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310.

The product of its digits is 64, while the sum is 16.

The square root of 18214 is about 134.9592531100. The cubic root of 18214 is about 26.3108640606.

Adding to 18214 its reverse (41281), we get a palindrome (59495).

It can be divided in two parts, 182 and 14, that added together give a square (196 = 142).

The spelling of 18214 in words is "eighteen thousand, two hundred fourteen".

Divisors: 1 2 7 14 1301 2602 9107 18214