Base | Representation |
---|---|
bin | 11010010001110… |
… | …00111001101110 |
3 | 120100210012122100 |
4 | 31020320321232 |
5 | 422412342110 |
6 | 33512355530 |
7 | 5314441545 |
oct | 1510707156 |
9 | 510705570 |
10 | 220434030 |
11 | 10347a393 |
12 | 619a5ba6 |
13 | 3689014b |
14 | 213c115c |
15 | 14543bc0 |
hex | d238e6e |
220434030 has 48 divisors (see below), whose sum is σ = 582856560. Its totient is φ = 57784704.
The previous prime is 220434023. The next prime is 220434031. The reversal of 220434030 is 30434022.
220434030 is a `hidden beast` number, since 220 + 43 + 403 + 0 = 666.
It is a super-4 number, since 4×2204340304 (a number of 34 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 220433994 and 220434012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220434031) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15447 + ... + 26066.
It is an arithmetic number, because the mean of its divisors is an integer number (12142845).
Almost surely, 2220434030 is an apocalyptic number.
220434030 is an abundant number, since it is smaller than the sum of its proper divisors (362422530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220434030 is a wasteful number, since it uses less digits than its factorization.
220434030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41585 (or 41582 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 18.
The square root of 220434030 is about 14847.0209133011. The cubic root of 220434030 is about 604.0778063736.
Adding to 220434030 its reverse (30434022), we get a palindrome (250868052).
The spelling of 220434030 in words is "two hundred twenty million, four hundred thirty-four thousand, thirty".
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