Base | Representation |
---|---|
bin | 11010001110110… |
… | …10110100001010 |
3 | 120100001122000000 |
4 | 31013122310022 |
5 | 422313024100 |
6 | 33500223430 |
7 | 5311245153 |
oct | 1507326412 |
9 | 510048000 |
10 | 220048650 |
11 | 103236898 |
12 | 6183ab76 |
13 | 36786903 |
14 | 2132092a |
15 | 144b9900 |
hex | d1dad0a |
220048650 has 84 divisors (see below), whose sum is σ = 613756662. Its totient is φ = 58669920.
The previous prime is 220048643. The next prime is 220048651. The reversal of 220048650 is 56840022.
220048650 is a `hidden beast` number, since 2 + 2 + 0 + 0 + 4 + 8 + 650 = 666.
220048650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 129208689 + 90839961 = 11367^2 + 9531^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (220048651) by changing a digit.
It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 33432 + ... + 39468.
Almost surely, 2220048650 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 220048650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306878331).
220048650 is an abundant number, since it is smaller than the sum of its proper divisors (393708012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220048650 is an equidigital number, since it uses as much as digits as its factorization.
220048650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6067 (or 6047 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 220048650 is about 14834.0368747014. The cubic root of 220048650 is about 603.7255690126.
Adding to 220048650 its reverse (56840022), we get a palindrome (276888672).
The spelling of 220048650 in words is "two hundred twenty million, forty-eight thousand, six hundred fifty".
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