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18696 = 2331941
BaseRepresentation
bin100100100001000
3221122110
410210020
51044241
6222320
7105336
oct44410
927573
1018696
1113057
12a9a0
138682
146b56
155816
hex4908

18696 has 32 divisors (see below), whose sum is σ = 50400. Its totient is φ = 5760.

The previous prime is 18691. The next prime is 18701. The reversal of 18696 is 69681.

It can be divided in two parts, 186 and 96, that added together give a palindrome (282).

It is an interprime number because it is at equal distance from previous prime (18691) and next prime (18701).

It is a nialpdrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18691) by changing a digit.

18696 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436 + ... + 476.

It is an arithmetic number, because the mean of its divisors is an integer number (1575).

218696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25200).

18696 is an abundant number, since it is smaller than the sum of its proper divisors (31704).

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

18696 is a wasteful number, since it uses less digits than its factorization.

18696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 65 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 18696 is about 136.7333170811. The cubic root of 18696 is about 26.5409359010.

The spelling of 18696 in words is "eighteen thousand, six hundred ninety-six".