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213141 = 3233089
BaseRepresentation
bin110100000010010101
3101211101010
4310002111
523310031
64322433
71545255
oct640225
9354333
10213141
11136155
12a3419
1376026
1457965
1543246
hex34095

213141 has 8 divisors (see below), whose sum is σ = 296640. Its totient is φ = 135872.

The previous prime is 213139. The next prime is 213149. The reversal of 213141 is 141312.

It is a happy number.

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 213141 - 21 = 213139 is a prime.

213141 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213149) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1476 + ... + 1613.

It is an arithmetic number, because the mean of its divisors is an integer number (37080).

2213141 is an apocalyptic number.

It is an amenable number.

213141 is a deficient number, since it is larger than the sum of its proper divisors (83499).

213141 is a wasteful number, since it uses less digits than its factorization.

213141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115.

The product of its digits is 24, while the sum is 12.

The square root of 213141 is about 461.6719614618. The cubic root of 213141 is about 59.7341011485.

Adding to 213141 its reverse (141312), we get a palindrome (354453).

The spelling of 213141 in words is "two hundred thirteen thousand, one hundred forty-one".

Divisors: 1 3 23 69 3089 9267 71047 213141