Base | Representation |
---|---|
bin | 101000001010… |
… | …110100100001 |
3 | 201210222120000 |
4 | 220022310201 |
5 | 10143430311 |
6 | 1013410213 |
7 | 155334642 |
oct | 50126441 |
9 | 21728500 |
10 | 10530081 |
11 | 5a42451 |
12 | 3639969 |
13 | 2248c23 |
14 | 15816c9 |
15 | dd0056 |
hex | a0ad21 |
10530081 has 20 divisors (see below), whose sum is σ = 15960384. Its totient is φ = 6917400.
The previous prime is 10530077. The next prime is 10530083. The reversal of 10530081 is 18003501.
It is a happy number.
It is not a de Polignac number, because 10530081 - 22 = 10530077 is a prime.
It is a super-2 number, since 2×105300812 = 221765211733122, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (10530083) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4836 + ... + 6666.
Almost surely, 210530081 is an apocalyptic number.
It is an amenable number.
10530081 is a deficient number, since it is larger than the sum of its proper divisors (5430303).
10530081 is an equidigital number, since it uses as much as digits as its factorization.
10530081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1914 (or 1905 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 10530081 is about 3245.0086286480. The cubic root of 10530081 is about 219.1848692315.
Adding to 10530081 its reverse (18003501), we get a palindrome (28533582).
The spelling of 10530081 in words is "ten million, five hundred thirty thousand, eighty-one".
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