Base | Representation |
---|---|
bin | 110000101011… |
… | …111001101000 |
3 | 220000102011122 |
4 | 300223321220 |
5 | 11231401403 |
6 | 1133314412 |
7 | 213324056 |
oct | 60537150 |
9 | 26012148 |
10 | 12762728 |
11 | 7227910 |
12 | 4335a08 |
13 | 284b214 |
14 | 19a31d6 |
15 | 11c1838 |
hex | c2be68 |
12762728 has 16 divisors (see below), whose sum is σ = 26105760. Its totient is φ = 5801200.
The previous prime is 12762727. The next prime is 12762751. The reversal of 12762728 is 82726721.
12762728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (12762721) 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, 72428 + ... + 72603.
It is an arithmetic number, because the mean of its divisors is an integer number (1631610).
Almost surely, 212762728 is an apocalyptic number.
It is an amenable number.
12762728 is an abundant number, since it is smaller than the sum of its proper divisors (13343032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12762728 is a wasteful number, since it uses less digits than its factorization.
12762728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145048 (or 145044 counting only the distinct ones).
The product of its digits is 18816, while the sum is 35.
The square root of 12762728 is about 3572.4960461840. The cubic root of 12762728 is about 233.6941483421.
It can be divided in two parts, 1276 and 2728, that added together give a palindrome (4004).
The spelling of 12762728 in words is "twelve million, seven hundred sixty-two thousand, seven hundred twenty-eight".
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