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99844 = 22109229
BaseRepresentation
bin11000011000000100
312001221221
4120120010
511143334
62050124
7564043
oct303004
9161857
1099844
1169018
1249944
13365a4
142855a
151e8b4
hex18604

99844 has 12 divisors (see below), whose sum is σ = 177100. Its totient is φ = 49248.

The previous prime is 99839. The next prime is 99859. The reversal of 99844 is 44899.

It can be written as a sum of positive squares in 2 ways, for example, as 82944 + 16900 = 288^2 + 130^2 .

It is a nialpdrome in base 10.

It is an unprimeable number.

99844 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322 + ... + 550.

299844 is an apocalyptic number.

It is an amenable number.

99844 is a deficient number, since it is larger than the sum of its proper divisors (77256).

99844 is a wasteful number, since it uses less digits than its factorization.

99844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 340 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 99844 is about 315.9810120878. The cubic root of 99844 is about 46.3917395124.

Subtracting from 99844 its reverse (44899), we obtain a palindrome (54945).

The spelling of 99844 in words is "ninety-nine thousand, eight hundred forty-four".

Divisors: 1 2 4 109 218 229 436 458 916 24961 49922 99844