Base | Representation |
---|---|
bin | 11001011011101… |
… | …01101100101111 |
3 | 112212102221121110 |
4 | 30231311230233 |
5 | 414103434043 |
6 | 33100403103 |
7 | 5200246215 |
oct | 1455655457 |
9 | 485387543 |
10 | 213343023 |
11 | aa476853 |
12 | 5b546493 |
13 | 3527969a |
14 | 20496cb5 |
15 | 13ae2b33 |
hex | cb75b2f |
213343023 has 8 divisors (see below), whose sum is σ = 293633536. Its totient is φ = 137640600.
The previous prime is 213343021. The next prime is 213343033. The reversal of 213343023 is 320343312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 213343023 - 21 = 213343021 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213343021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146913 + ... + 1147098.
It is an arithmetic number, because the mean of its divisors is an integer number (36704192).
Almost surely, 2213343023 is an apocalyptic number.
213343023 is a deficient number, since it is larger than the sum of its proper divisors (80290513).
213343023 is a wasteful number, since it uses less digits than its factorization.
213343023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2294045.
The product of its (nonzero) digits is 1296, while the sum is 21.
The square root of 213343023 is about 14606.2665661010. The cubic root of 213343023 is about 597.5296792620.
Adding to 213343023 its reverse (320343312), we get a palindrome (533686335).
The spelling of 213343023 in words is "two hundred thirteen million, three hundred forty-three thousand, twenty-three".
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