Search a number
-
+
213184 = 263331
BaseRepresentation
bin110100000011000000
3101211102201
4310003000
523310214
64322544
71545346
oct640300
9354381
10213184
11136194
12a3454
137605a
1457996
1543274
hex340c0

213184 has 14 divisors (see below), whose sum is σ = 423164. Its totient is φ = 106560.

The previous prime is 213181. The next prime is 213193. The reversal of 213184 is 481312.

It is not an unprimeable number, because it can be changed into a prime (213181) by changing a digit.

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 as a sum of consecutive naturals, namely, 1602 + ... + 1729.

It is an arithmetic number, because the mean of its divisors is an integer number (30226).

2213184 is an apocalyptic number.

It is an amenable number.

213184 is a deficient number, since it is larger than the sum of its proper divisors (209980).

213184 is an equidigital number, since it uses as much as digits as its factorization.

213184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343 (or 3333 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 213184 is about 461.7185289763. The cubic root of 213184 is about 59.7381178849.

Adding to 213184 its reverse (481312), we get a palindrome (694496).

The spelling of 213184 in words is "two hundred thirteen thousand, one hundred eighty-four".

Divisors: 1 2 4 8 16 32 64 3331 6662 13324 26648 53296 106592 213184