Base | Representation |
---|---|
bin | 11001011010101… |
… | …10000010100110 |
3 | 112212012100201202 |
4 | 30231112002212 |
5 | 414040311400 |
6 | 33053522502 |
7 | 5166166160 |
oct | 1455260246 |
9 | 485170652 |
10 | 213213350 |
11 | aa398389 |
12 | 5b4a3432 |
13 | 3523265c |
14 | 20461930 |
15 | 13ab94d5 |
hex | cb560a6 |
213213350 has 96 divisors (see below), whose sum is σ = 479778816. Its totient is φ = 68947200.
The previous prime is 213213349. The next prime is 213213367. The reversal of 213213350 is 53312312.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 466322 + ... + 466778.
It is an arithmetic number, because the mean of its divisors is an integer number (4997696).
Almost surely, 2213213350 is an apocalyptic number.
213213350 is an abundant number, since it is smaller than the sum of its proper divisors (266565466).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213213350 is a wasteful number, since it uses less digits than its factorization.
213213350 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 550 (or 545 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 20.
The square root of 213213350 is about 14601.8269404893. The cubic root of 213213350 is about 597.4085923087.
Adding to 213213350 its reverse (53312312), we get a palindrome (266525662).
The spelling of 213213350 in words is "two hundred thirteen million, two hundred thirteen thousand, three hundred fifty".
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