Base | Representation |
---|---|
bin | 11001011100000… |
… | …10001011000000 |
3 | 112212112112200122 |
4 | 30232002023000 |
5 | 414112102422 |
6 | 33101435412 |
7 | 5200551161 |
oct | 1456021300 |
9 | 485475618 |
10 | 213394112 |
11 | aa501178 |
12 | 5b56bb68 |
13 | 35296a09 |
14 | 204ab768 |
15 | 13b02d42 |
hex | cb822c0 |
213394112 has 42 divisors (see below), whose sum is σ = 431957988. Its totient is φ = 104595712.
The previous prime is 213394109. The next prime is 213394123. The reversal of 213394112 is 211493312.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 179183 + ... + 180369.
It is an arithmetic number, because the mean of its divisors is an integer number (10284714).
Almost surely, 2213394112 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 213394112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215978994).
213394112 is an abundant number, since it is smaller than the sum of its proper divisors (218563876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213394112 is an equidigital number, since it uses as much as digits as its factorization.
213394112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1305 (or 1242 counting only the distinct ones).
The product of its digits is 1296, while the sum is 26.
The square root of 213394112 is about 14608.0153340555. The cubic root of 213394112 is about 597.5773720291.
The spelling of 213394112 in words is "two hundred thirteen million, three hundred ninety-four thousand, one hundred twelve".
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