Base | Representation |
---|---|
bin | 11001011011100… |
… | …01000110110111 |
3 | 112212101222210212 |
4 | 30231301012313 |
5 | 414102333330 |
6 | 33100140035 |
7 | 5200140326 |
oct | 1455610667 |
9 | 485358725 |
10 | 213324215 |
11 | aa463705 |
12 | 5b53761b |
13 | 35270c60 |
14 | 204900bd |
15 | 13adc295 |
hex | cb711b7 |
213324215 has 8 divisors (see below), whose sum is σ = 275680608. Its totient is φ = 157531680.
The previous prime is 213324187. The next prime is 213324233. The reversal of 213324215 is 512423312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 213324215 - 28 = 213323959 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640891 + ... + 1641020.
It is an arithmetic number, because the mean of its divisors is an integer number (34460076).
Almost surely, 2213324215 is an apocalyptic number.
213324215 is a deficient number, since it is larger than the sum of its proper divisors (62356393).
213324215 is a wasteful number, since it uses less digits than its factorization.
213324215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3281929.
The product of its digits is 1440, while the sum is 23.
The square root of 213324215 is about 14605.6227186656. The cubic root of 213324215 is about 597.5121196400.
Adding to 213324215 its reverse (512423312), we get a palindrome (725747527).
The spelling of 213324215 in words is "two hundred thirteen million, three hundred twenty-four thousand, two hundred fifteen".
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