Search a number
-
+
213341 = 317673
BaseRepresentation
bin110100000101011101
3101211122112
4310011131
523311331
64323405
71545662
oct640535
9354575
10213341
11136317
12a3565
137614b
1457a69
154332b
hex3415d

213341 has 4 divisors (see below), whose sum is σ = 214332. Its totient is φ = 212352.

The previous prime is 213337. The next prime is 213349. The reversal of 213341 is 143312.

213341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 36100 + 177241 = 190^2 + 421^2 .

It is a cyclic number.

It is not a de Polignac number, because 213341 - 22 = 213337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213349) 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, 20 + ... + 653.

It is an arithmetic number, because the mean of its divisors is an integer number (53583).

2213341 is an apocalyptic number.

It is an amenable number.

213341 is a deficient number, since it is larger than the sum of its proper divisors (991).

213341 is an equidigital number, since it uses as much as digits as its factorization.

213341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990.

The product of its digits is 72, while the sum is 14.

The square root of 213341 is about 461.8885146873. Note that the first 3 decimals coincide. The cubic root of 213341 is about 59.7527790588.

Adding to 213341 its reverse (143312), we get a palindrome (356653).

The spelling of 213341 in words is "two hundred thirteen thousand, three hundred forty-one".

Divisors: 1 317 673 213341