Base | Representation |
---|---|
bin | 11010001111001… |
… | …11111010111010 |
3 | 120100011100122011 |
4 | 31013213322322 |
5 | 422321233310 |
6 | 33501320134 |
7 | 5311560520 |
oct | 1507477272 |
9 | 510140564 |
10 | 220102330 |
11 | 103273158 |
12 | 6186604a |
13 | 367a5186 |
14 | 21336310 |
15 | 144ca78a |
hex | d1e7eba |
220102330 has 32 divisors (see below), whose sum is σ = 456059520. Its totient is φ = 74917440.
The previous prime is 220102313. The next prime is 220102339. The reversal of 220102330 is 33201022.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 220102330.
It is not an unprimeable number, because it can be changed into a prime (220102339) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1581 + ... + 21040.
It is an arithmetic number, because the mean of its divisors is an integer number (14251860).
Almost surely, 2220102330 is an apocalyptic number.
220102330 is an abundant number, since it is smaller than the sum of its proper divisors (235957190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220102330 is a wasteful number, since it uses less digits than its factorization.
220102330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22774.
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 220102330 is about 14835.8461167538. The cubic root of 220102330 is about 603.7746571780.
Adding to 220102330 its reverse (33201022), we get a palindrome (253303352).
The spelling of 220102330 in words is "two hundred twenty million, one hundred two thousand, three hundred thirty".
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