Base | Representation |
---|---|
bin | 11010010000000… |
… | …11111101111101 |
3 | 120100101012020002 |
4 | 31020003331331 |
5 | 422333422323 |
6 | 33504004045 |
7 | 5312546456 |
oct | 1510037575 |
9 | 510335202 |
10 | 220217213 |
11 | 1033414a7 |
12 | 61900625 |
13 | 36815558 |
14 | 2136612d |
15 | 144ee828 |
hex | d203f7d |
220217213 has 8 divisors (see below), whose sum is σ = 228086400. Its totient is φ = 212366448.
The previous prime is 220217197. The next prime is 220217219. The reversal of 220217213 is 312712022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 220217213 - 24 = 220217197 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 (220217219) 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, 22520 + ... + 30782.
It is an arithmetic number, because the mean of its divisors is an integer number (28510800).
Almost surely, 2220217213 is an apocalyptic number.
It is an amenable number.
220217213 is a deficient number, since it is larger than the sum of its proper divisors (7869187).
220217213 is an equidigital number, since it uses as much as digits as its factorization.
220217213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9211.
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 220217213 is about 14839.7174164470. The cubic root of 220217213 is about 603.8796861727.
Adding to 220217213 its reverse (312712022), we get a palindrome (532929235).
The spelling of 220217213 in words is "two hundred twenty million, two hundred seventeen thousand, two hundred thirteen".
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