Base | Representation |
---|---|
bin | 110000101010… |
… | …001101110100 |
3 | 220000001201002 |
4 | 300222031310 |
5 | 11231141303 |
6 | 1133222432 |
7 | 213265001 |
oct | 60521564 |
9 | 26001632 |
10 | 12755828 |
11 | 7222708 |
12 | 4331a18 |
13 | 2848037 |
14 | 19a08a8 |
15 | 11be788 |
hex | c2a374 |
12755828 has 12 divisors (see below), whose sum is σ = 22744260. Its totient is φ = 6257472.
The previous prime is 12755807. The next prime is 12755833. The reversal of 12755828 is 82855721.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 11437924 + 1317904 = 3382^2 + 1148^2 .
It is a super-2 number, since 2×127558282 = 325422295931168, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12755791 and 12755800.
It is a congruent number.
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, 29873 + ... + 30296.
It is an arithmetic number, because the mean of its divisors is an integer number (1895355).
Almost surely, 212755828 is an apocalyptic number.
It is an amenable number.
12755828 is a deficient number, since it is larger than the sum of its proper divisors (9988432).
12755828 is a wasteful number, since it uses less digits than its factorization.
12755828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60226 (or 60224 counting only the distinct ones).
The product of its digits is 44800, while the sum is 38.
The square root of 12755828 is about 3571.5302042682. The cubic root of 12755828 is about 233.6520262006.
It can be divided in two parts, 127 and 55828, that added together give a palindrome (55955).
The spelling of 12755828 in words is "twelve million, seven hundred fifty-five thousand, eight hundred twenty-eight".
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