Base | Representation |
---|---|
bin | 101011100110110110000 |
3 | 2200121002200 |
4 | 11130312300 |
5 | 331211122 |
6 | 50343200 |
7 | 15100632 |
oct | 5346660 |
9 | 2617080 |
10 | 1428912 |
11 | 896621 |
12 | 58ab00 |
13 | 3b0514 |
14 | 292a52 |
15 | 1d35ac |
hex | 15cdb0 |
1428912 has 30 divisors (see below), whose sum is σ = 3999372. Its totient is φ = 476256.
The previous prime is 1428899. The next prime is 1428923. The reversal of 1428912 is 2198241.
It is a nude number because it is divisible by every one of its digits.
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 5 ways as a sum of consecutive naturals, for example, 4818 + ... + 5105.
21428912 is an apocalyptic number.
1428912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1428912 is an abundant number, since it is smaller than the sum of its proper divisors (2570460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1428912 is a wasteful number, since it uses less digits than its factorization.
1428912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9937 (or 9928 counting only the distinct ones).
The product of its digits is 1152, while the sum is 27.
The square root of 1428912 is about 1195.3710720944. The cubic root of 1428912 is about 112.6337372497.
The spelling of 1428912 in words is "one million, four hundred twenty-eight thousand, nine hundred twelve".
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