Base | Representation |
---|---|
bin | 111001010100… |
… | …1001011111000 |
3 | 2002112212010020 |
4 | 1302221023320 |
5 | 30143144422 |
6 | 2552050440 |
7 | 513306255 |
oct | 162511370 |
9 | 62485106 |
10 | 30053112 |
11 | 15a67391 |
12 | a093a20 |
13 | 62c320b |
14 | 3dc442c |
15 | 298995c |
hex | 1ca92f8 |
30053112 has 32 divisors (see below), whose sum is σ = 75271680. Its totient is φ = 9999200.
The previous prime is 30053081. The next prime is 30053113. The reversal of 30053112 is 21135003.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 30053091 and 30053100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30053113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19987 + ... + 21437.
It is an arithmetic number, because the mean of its divisors is an integer number (2352240).
Almost surely, 230053112 is an apocalyptic number.
It is an amenable number.
30053112 is an abundant number, since it is smaller than the sum of its proper divisors (45218568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30053112 is a wasteful number, since it uses less digits than its factorization.
30053112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2323 (or 2319 counting only the distinct ones).
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 30053112 is about 5482.0718711086. The cubic root of 30053112 is about 310.9065106377.
Adding to 30053112 its reverse (21135003), we get a palindrome (51188115).
The spelling of 30053112 in words is "thirty million, fifty-three thousand, one hundred twelve".
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