Base | Representation |
---|---|
bin | 1110010101110… |
… | …10101010001100 |
3 | 22101100222121210 |
4 | 13022322222030 |
5 | 221244132340 |
6 | 15534254420 |
7 | 2660360223 |
oct | 712725214 |
9 | 271328553 |
10 | 120302220 |
11 | 619a8925 |
12 | 34357410 |
13 | 1bc0165c |
14 | 11d97cba |
15 | a865180 |
hex | 72baa8c |
120302220 has 24 divisors (see below), whose sum is σ = 336846384. Its totient is φ = 32080576.
The previous prime is 120302197. The next prime is 120302263. The reversal of 120302220 is 22203021.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 120302196 and 120302205.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002459 + ... + 1002578.
It is an arithmetic number, because the mean of its divisors is an integer number (14035266).
Almost surely, 2120302220 is an apocalyptic number.
120302220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120302220 is an abundant number, since it is smaller than the sum of its proper divisors (216544164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120302220 is a wasteful number, since it uses less digits than its factorization.
120302220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2005049 (or 2005047 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 120302220 is about 10968.2368683394. The cubic root of 120302220 is about 493.6561447413.
Adding to 120302220 its reverse (22203021), we get a palindrome (142505241).
The spelling of 120302220 in words is "one hundred twenty million, three hundred two thousand, two hundred twenty".
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