Search a number
-
+
99193 = 281353
BaseRepresentation
bin11000001101111001
312001001211
4120031321
511133233
62043121
7562123
oct301571
9161054
1099193
1168586
12494a1
13361c3
1428213
151e5cd
hex18379

99193 has 4 divisors (see below), whose sum is σ = 99828. Its totient is φ = 98560.

The previous prime is 99191. The next prime is 99223. The reversal of 99193 is 39199.

99193 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 53824 + 45369 = 232^2 + 213^2 .

It is a cyclic number.

It is not a de Polignac number, because 99193 - 21 = 99191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99191) 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, 105 + ... + 457.

It is an arithmetic number, because the mean of its divisors is an integer number (24957).

299193 is an apocalyptic number.

It is an amenable number.

99193 is a deficient number, since it is larger than the sum of its proper divisors (635).

99193 is a wasteful number, since it uses less digits than its factorization.

99193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634.

The product of its digits is 2187, while the sum is 31.

The square root of 99193 is about 314.9492022533. The cubic root of 99193 is about 46.2906922125.

It can be divided in two parts, 99 and 193, that added together give a palindrome (292).

The spelling of 99193 in words is "ninety-nine thousand, one hundred ninety-three".

Divisors: 1 281 353 99193