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99816 = 2334159
BaseRepresentation
bin11000010111101000
312001220220
4120113220
511143231
62050040
7564003
oct302750
9161826
1099816
1168aa2
1249920
1336582
142853a
151e896
hex185e8

99816 has 16 divisors (see below), whose sum is σ = 249600. Its totient is φ = 33264.

The previous prime is 99809. The next prime is 99817. The reversal of 99816 is 61899.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2056 + ... + 2103.

It is an arithmetic number, because the mean of its divisors is an integer number (15600).

299816 is an apocalyptic number.

It is an amenable number.

99816 is an abundant number, since it is smaller than the sum of its proper divisors (149784).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124800).

99816 is a wasteful number, since it uses less digits than its factorization.

99816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168 (or 4164 counting only the distinct ones).

The product of its digits is 3888, while the sum is 33.

The square root of 99816 is about 315.9367025212. The cubic root of 99816 is about 46.3874024461.

The spelling of 99816 in words is "ninety-nine thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 4159 8318 12477 16636 24954 33272 49908 99816