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213483 = 371161
BaseRepresentation
bin110100000111101011
3101211211210
4310013223
523312413
64324203
71546254
oct640753
9354753
10213483
11136436
12a3663
137622a
1457b2b
15433c3
hex341eb

213483 has 4 divisors (see below), whose sum is σ = 284648. Its totient is φ = 142320.

The previous prime is 213481. The next prime is 213491. The reversal of 213483 is 384312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 213483 - 21 = 213481 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213481) 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, 35578 + ... + 35583.

It is an arithmetic number, because the mean of its divisors is an integer number (71162).

2213483 is an apocalyptic number.

213483 is a deficient number, since it is larger than the sum of its proper divisors (71165).

213483 is an equidigital number, since it uses as much as digits as its factorization.

213483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71164.

The product of its digits is 576, while the sum is 21.

The square root of 213483 is about 462.0422058644. The cubic root of 213483 is about 59.7660332900.

Adding to 213483 its reverse (384312), we get a palindrome (597795).

It can be divided in two parts, 213 and 483, that added together give a palindrome (696).

The spelling of 213483 in words is "two hundred thirteen thousand, four hundred eighty-three".

Divisors: 1 3 71161 213483