Base | Representation |
---|---|
bin | 111010110011… |
… | …0110111010100 |
3 | 2011000022212012 |
4 | 1311212313110 |
5 | 30343030121 |
6 | 3020443352 |
7 | 523023326 |
oct | 165466724 |
9 | 64008765 |
10 | 30830036 |
11 | 16448076 |
12 | a3a9558 |
13 | 6505a33 |
14 | 4147616 |
15 | 2a8ec5b |
hex | 1d66dd4 |
30830036 has 6 divisors (see below), whose sum is σ = 53952570. Its totient is φ = 15415016.
The previous prime is 30830021. The next prime is 30830039. The reversal of 30830036 is 63003803.
It can be written as a sum of positive squares in only one way, i.e., 28408900 + 2421136 = 5330^2 + 1556^2 .
It is a super-2 number, since 2×308300362 = 1900982239522592, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30829993 and 30830020.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30830039) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3853751 + ... + 3853758.
It is an arithmetic number, because the mean of its divisors is an integer number (8992095).
Almost surely, 230830036 is an apocalyptic number.
It is an amenable number.
30830036 is a deficient number, since it is larger than the sum of its proper divisors (23122534).
30830036 is a wasteful number, since it uses less digits than its factorization.
30830036 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7707513 (or 7707511 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 23.
The square root of 30830036 is about 5552.4801665562. The cubic root of 30830036 is about 313.5629035366.
Adding to 30830036 its reverse (63003803), we get a palindrome (93833839).
The spelling of 30830036 in words is "thirty million, eight hundred thirty thousand, thirty-six".
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