Base | Representation |
---|---|
bin | 11001011100101… |
… | …01101110101000 |
3 | 112212200121120110 |
4 | 30232111232220 |
5 | 414122133331 |
6 | 33103254320 |
7 | 5201333544 |
oct | 1456255650 |
9 | 485617513 |
10 | 213474216 |
11 | aa55637a |
12 | 5b5aa3a0 |
13 | 352c4307 |
14 | 204cca24 |
15 | 13b1b946 |
hex | cb95ba8 |
213474216 has 32 divisors (see below), whose sum is σ = 534072960. Its totient is φ = 71106432.
The previous prime is 213474203. The next prime is 213474259. The reversal of 213474216 is 612474312.
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, 45601 + ... + 50063.
It is an arithmetic number, because the mean of its divisors is an integer number (16689780).
Almost surely, 2213474216 is an apocalyptic number.
It is an amenable number.
213474216 is an abundant number, since it is smaller than the sum of its proper divisors (320598744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213474216 is a wasteful number, since it uses less digits than its factorization.
213474216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6465 (or 6461 counting only the distinct ones).
The product of its digits is 8064, while the sum is 30.
The square root of 213474216 is about 14610.7568592459. The cubic root of 213474216 is about 597.6521356499.
The spelling of 213474216 in words is "two hundred thirteen million, four hundred seventy-four thousand, two hundred sixteen".
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