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213233 = 2373127
BaseRepresentation
bin110100000011110001
3101211111112
4310003301
523310413
64323105
71545446
oct640361
9354445
10213233
11136229
12a3495
1376097
14579cd
15432a8
hex340f1

213233 has 8 divisors (see below), whose sum is σ = 227328. Its totient is φ = 199584.

The previous prime is 213229. The next prime is 213247. The reversal of 213233 is 332312.

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

It is a cyclic number.

It is not a de Polignac number, because 213233 - 22 = 213229 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616 + ... + 1742.

It is an arithmetic number, because the mean of its divisors is an integer number (28416).

2213233 is an apocalyptic number.

213233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

213233 is a deficient number, since it is larger than the sum of its proper divisors (14095).

213233 is a wasteful number, since it uses less digits than its factorization.

213233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223.

The product of its digits is 108, while the sum is 14.

The square root of 213233 is about 461.7715885587. The cubic root of 213233 is about 59.7426944378.

Adding to 213233 its reverse (332312), we get a palindrome (545545).

The spelling of 213233 in words is "two hundred thirteen thousand, two hundred thirty-three".

Divisors: 1 23 73 127 1679 2921 9271 213233