Base | Representation |
---|---|
bin | 11001011001000… |
… | …11000010100110 |
3 | 112211210202011212 |
4 | 30230203002212 |
5 | 414012120304 |
6 | 33045231422 |
7 | 5164336145 |
oct | 1454430246 |
9 | 484722155 |
10 | 213004454 |
11 | aa265443 |
12 | 5b402572 |
13 | 3518b550 |
14 | 2040975c |
15 | 13a7766e |
hex | cb230a6 |
213004454 has 8 divisors (see below), whose sum is σ = 344084160. Its totient is φ = 98309736.
The previous prime is 213004453. The next prime is 213004483. The reversal of 213004454 is 454400312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213004453) 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, 4096214 + ... + 4096265.
It is an arithmetic number, because the mean of its divisors is an integer number (43010520).
Almost surely, 2213004454 is an apocalyptic number.
213004454 is a deficient number, since it is larger than the sum of its proper divisors (131079706).
213004454 is a wasteful number, since it uses less digits than its factorization.
213004454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8192494.
The product of its (nonzero) digits is 1920, while the sum is 23.
The square root of 213004454 is about 14594.6721100544. The cubic root of 213004454 is about 597.2134246611.
Adding to 213004454 its reverse (454400312), we get a palindrome (667404766).
The spelling of 213004454 in words is "two hundred thirteen million, four thousand, four hundred fifty-four".
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