Base | Representation |
---|---|
bin | 11010010010010… |
… | …01100100000000 |
3 | 120100220200020211 |
4 | 31021021210000 |
5 | 422422033042 |
6 | 33514043504 |
7 | 5315144524 |
oct | 1511114400 |
9 | 510820224 |
10 | 220502272 |
11 | 103516691 |
12 | 61a19594 |
13 | 368b5223 |
14 | 213dbd84 |
15 | 14559017 |
hex | d249900 |
220502272 has 36 divisors (see below), whose sum is σ = 445755520. Its totient is φ = 108845568.
The previous prime is 220502221. The next prime is 220502273. The reversal of 220502272 is 272205022.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (220502273) 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, 14773 + ... + 25675.
Almost surely, 2220502272 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 220502272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222877760).
220502272 is an abundant number, since it is smaller than the sum of its proper divisors (225253248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220502272 is an equidigital number, since it uses as much as digits as its factorization.
220502272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10998 (or 10984 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 22.
The square root of 220502272 is about 14849.3189069398. The cubic root of 220502272 is about 604.1401367745.
Adding to 220502272 its reverse (272205022), we get a palindrome (492707294).
The spelling of 220502272 in words is "two hundred twenty million, five hundred two thousand, two hundred seventy-two".
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