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18232 = 234353
BaseRepresentation
bin100011100111000
3221000021
410130320
51040412
6220224
7104104
oct43470
927007
1018232
1112775
12a674
1383b6
146904
155607
hex4738

18232 has 16 divisors (see below), whose sum is σ = 35640. Its totient is φ = 8736.

The previous prime is 18229. The next prime is 18233. The reversal of 18232 is 23281.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18233) 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, 318 + ... + 370.

218232 is an apocalyptic number.

It is an amenable number.

18232 is a deficient number, since it is larger than the sum of its proper divisors (17408).

18232 is a wasteful number, since it uses less digits than its factorization.

18232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 98 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 18232 is about 135.0259234369. The cubic root of 18232 is about 26.3195284512.

The spelling of 18232 in words is "eighteen thousand, two hundred thirty-two".

Divisors: 1 2 4 8 43 53 86 106 172 212 344 424 2279 4558 9116 18232