Base | Representation |
---|---|
bin | 101011100101100101100 |
3 | 2200120012211 |
4 | 11130230230 |
5 | 331201033 |
6 | 50340204 |
7 | 15066022 |
oct | 5345454 |
9 | 2616184 |
10 | 1428268 |
11 | 896096 |
12 | 58a664 |
13 | 3b013a |
14 | 292712 |
15 | 1d32cd |
hex | 15cb2c |
1428268 has 12 divisors (see below), whose sum is σ = 2631160. Its totient is φ = 676512.
The previous prime is 1428257. The next prime is 1428281. The reversal of 1428268 is 8628241.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9321 + ... + 9472.
21428268 is an apocalyptic number.
It is an amenable number.
1428268 is a deficient number, since it is larger than the sum of its proper divisors (1202892).
1428268 is a wasteful number, since it uses less digits than its factorization.
1428268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18816 (or 18814 counting only the distinct ones).
The product of its digits is 6144, while the sum is 31.
The square root of 1428268 is about 1195.1016693152. The cubic root of 1428268 is about 112.6168136448.
It can be divided in two parts, 14 and 28268, that added together give a palindrome (28282).
The spelling of 1428268 in words is "one million, four hundred twenty-eight thousand, two hundred sixty-eight".
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