Base | Representation |
---|---|
bin | 100111101111011001000 |
3 | 2110011022020 |
4 | 10331323020 |
5 | 313132331 |
6 | 43524440 |
7 | 14032356 |
oct | 4757310 |
9 | 2404266 |
10 | 1302216 |
11 | 80a413 |
12 | 529720 |
13 | 367956 |
14 | 25c7d6 |
15 | 1aac96 |
hex | 13dec8 |
1302216 has 32 divisors (see below), whose sum is σ = 3369600. Its totient is φ = 418880.
The previous prime is 1302209. The next prime is 1302221. The reversal of 1302216 is 6122031.
It is a junction number, because it is equal to n+sod(n) for n = 1302195 and 1302204.
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, 240 + ... + 1631.
It is an arithmetic number, because the mean of its divisors is an integer number (105300).
21302216 is an apocalyptic number.
It is an amenable number.
1302216 is an abundant number, since it is smaller than the sum of its proper divisors (2067384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1302216 is a wasteful number, since it uses less digits than its factorization.
1302216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1909 (or 1905 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 1302216 is about 1141.1467916092. The cubic root of 1302216 is about 109.2012666064.
Adding to 1302216 its reverse (6122031), we get a palindrome (7424247).
It can be divided in two parts, 130 and 2216, that added together give a triangular number (2346 = T68).
The spelling of 1302216 in words is "one million, three hundred two thousand, two hundred sixteen".
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