Base | Representation |
---|---|
bin | 100110011101011000100 |
3 | 2101000201010 |
4 | 10303223010 |
5 | 310311403 |
6 | 43002220 |
7 | 13466064 |
oct | 4635304 |
9 | 2330633 |
10 | 1260228 |
11 | 790912 |
12 | 509370 |
13 | 3517c8 |
14 | 24b3a4 |
15 | 19d603 |
hex | 133ac4 |
1260228 has 12 divisors (see below), whose sum is σ = 2940560. Its totient is φ = 420072.
The previous prime is 1260223. The next prime is 1260269. The reversal of 1260228 is 8220621.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×12602282 = 3176349223968, which contains 22 as substring.
It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (1260223) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52498 + ... + 52521.
21260228 is an apocalyptic number.
It is an amenable number.
1260228 is an abundant number, since it is smaller than the sum of its proper divisors (1680332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1260228 is a wasteful number, since it uses less digits than its factorization.
1260228 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105026 (or 105024 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 1260228 is about 1122.5987707102. The cubic root of 1260228 is about 108.0147442147.
Adding to 1260228 its reverse (8220621), we get a palindrome (9480849).
The spelling of 1260228 in words is "one million, two hundred sixty thousand, two hundred twenty-eight".
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