Base | Representation |
---|---|
bin | 100100010111000… |
… | …0011111011000100 |
3 | 10011000201011100111 |
4 | 1020232003323010 |
5 | 4444312043434 |
6 | 321021322404 |
7 | 42143056102 |
oct | 11056037304 |
9 | 3130634314 |
10 | 1220034244 |
11 | 57674a870 |
12 | 2a0706404 |
13 | 1659ba370 |
14 | b8066c72 |
15 | 72196964 |
hex | 48b83ec4 |
1220034244 has 48 divisors (see below), whose sum is σ = 2515322880. Its totient is φ = 510474240.
The previous prime is 1220034239. The next prime is 1220034259. The reversal of 1220034244 is 4424300221.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216292 + ... + 221860.
It is an arithmetic number, because the mean of its divisors is an integer number (52402560).
Almost surely, 21220034244 is an apocalyptic number.
It is an amenable number.
1220034244 is an abundant number, since it is smaller than the sum of its proper divisors (1295288636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1220034244 is a wasteful number, since it uses less digits than its factorization.
1220034244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5980 (or 5978 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 22.
The square root of 1220034244 is about 34928.9885911402. The cubic root of 1220034244 is about 1068.5397275231.
Adding to 1220034244 its reverse (4424300221), we get a palindrome (5644334465).
The spelling of 1220034244 in words is "one billion, two hundred twenty million, thirty-four thousand, two hundred forty-four".
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