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213292 = 2253323
BaseRepresentation
bin110100000100101100
3101211120201
4310010230
523311132
64323244
71545562
oct640454
9354521
10213292
11136282
12a3524
1376111
1457a32
15432e7
hex3412c

213292 has 6 divisors (see below), whose sum is σ = 373268. Its totient is φ = 106644.

The previous prime is 213289. The next prime is 213307. The reversal of 213292 is 292312.

It is a happy number.

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26658 + ... + 26665.

2213292 is an apocalyptic number.

It is an amenable number.

213292 is a deficient number, since it is larger than the sum of its proper divisors (159976).

213292 is a wasteful number, since it uses less digits than its factorization.

213292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53327 (or 53325 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 213292 is about 461.8354685383. The cubic root of 213292 is about 59.7482040508.

It can be divided in two parts, 213 and 292, that added together give a palindrome (505).

The spelling of 213292 in words is "two hundred thirteen thousand, two hundred ninety-two".

Divisors: 1 2 4 53323 106646 213292