Base | Representation |
---|---|
bin | 101000111011… |
… | …010000100001 |
3 | 202012001201011 |
4 | 220323100201 |
5 | 10221302411 |
6 | 1021540521 |
7 | 160122241 |
oct | 50732041 |
9 | 22161634 |
10 | 10728481 |
11 | 6068515 |
12 | 3714741 |
13 | 22b831a |
14 | 15d3b21 |
15 | e1dc21 |
hex | a3b421 |
10728481 has 2 divisors, whose sum is σ = 10728482. Its totient is φ = 10728480.
The previous prime is 10728469. The next prime is 10728499. The reversal of 10728481 is 18482701.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6170256 + 4558225 = 2484^2 + 2135^2 .
It is an emirp because it is prime and its reverse (18482701) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10728481 - 213 = 10720289 is a prime.
It is a super-2 number, since 2×107284812 = 230200609134722, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (10728401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5364240 + 5364241.
It is an arithmetic number, because the mean of its divisors is an integer number (5364241).
Almost surely, 210728481 is an apocalyptic number.
It is an amenable number.
10728481 is a deficient number, since it is larger than the sum of its proper divisors (1).
10728481 is an equidigital number, since it uses as much as digits as its factorization.
10728481 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3584, while the sum is 31.
The square root of 10728481 is about 3275.4360015119. The cubic root of 10728481 is about 220.5528862265.
The spelling of 10728481 in words is "ten million, seven hundred twenty-eight thousand, four hundred eighty-one".
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