Base | Representation |
---|---|
bin | 100101001111010111010 |
3 | 2021222220122 |
4 | 10221322322 |
5 | 303022112 |
6 | 42053242 |
7 | 13241450 |
oct | 4517272 |
9 | 2258818 |
10 | 1220282 |
11 | 7638a8 |
12 | 4aa222 |
13 | 33957b |
14 | 23a9d0 |
15 | 191872 |
hex | 129eba |
1220282 has 16 divisors (see below), whose sum is σ = 2115072. Its totient is φ = 517200.
The previous prime is 1220257. The next prime is 1220309. The reversal of 1220282 is 2820221.
It is a self number, because there is not a number n which added to its sum of digits gives 1220282.
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, 983 + ... + 1845.
It is an arithmetic number, because the mean of its divisors is an integer number (132192).
21220282 is an apocalyptic number.
1220282 is a deficient number, since it is larger than the sum of its proper divisors (894790).
1220282 is a wasteful number, since it uses less digits than its factorization.
1220282 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 973.
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 1220282 is about 1104.6637497447. The cubic root of 1220282 is about 106.8612053146.
The spelling of 1220282 in words is "one million, two hundred twenty thousand, two hundred eighty-two".
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