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213235 = 5113877
BaseRepresentation
bin110100000011110011
3101211111121
4310003303
523310420
64323111
71545451
oct640363
9354447
10213235
11136230
12a3497
1376099
14579d1
15432aa
hex340f3

213235 has 8 divisors (see below), whose sum is σ = 279216. Its totient is φ = 155040.

The previous prime is 213229. The next prime is 213247. The reversal of 213235 is 532312.

Adding to 213235 its reverse (532312), we get a palindrome (745547).

213235 is nontrivially palindromic in base 7.

213235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213235 - 25 = 213203 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1884 + ... + 1993.

It is an arithmetic number, because the mean of its divisors is an integer number (34902).

2213235 is an apocalyptic number.

213235 is a deficient number, since it is larger than the sum of its proper divisors (65981).

213235 is a wasteful number, since it uses less digits than its factorization.

213235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893.

The product of its digits is 180, while the sum is 16.

The square root of 213235 is about 461.7737541264. The cubic root of 213235 is about 59.7428812209.

The spelling of 213235 in words is "two hundred thirteen thousand, two hundred thirty-five".

Divisors: 1 5 11 55 3877 19385 42647 213235