Base | Representation |
---|---|
bin | 111001101010… |
… | …0101001001000 |
3 | 2002212220021211 |
4 | 1303110221020 |
5 | 30214343422 |
6 | 2555542504 |
7 | 514650232 |
oct | 163245110 |
9 | 62786254 |
10 | 30231112 |
11 | 1607909a |
12 | a15aa34 |
13 | 6356242 |
14 | 402d252 |
15 | 29c2577 |
hex | 1cd4a48 |
30231112 has 16 divisors (see below), whose sum is σ = 57613500. Its totient is φ = 14867520.
The previous prime is 30231101. The next prime is 30231133. The reversal of 30231112 is 21113203.
It can be written as a sum of positive squares in 2 ways, for example, as 28451556 + 1779556 = 5334^2 + 1334^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30231092 and 30231101.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30487 + ... + 31462.
Almost surely, 230231112 is an apocalyptic number.
It is an amenable number.
30231112 is a deficient number, since it is larger than the sum of its proper divisors (27382388).
30231112 is a wasteful number, since it uses less digits than its factorization.
30231112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62016 (or 62012 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 30231112 is about 5498.2826409707. The cubic root of 30231112 is about 311.5191200464.
Adding to 30231112 its reverse (21113203), we get a palindrome (51344315).
The spelling of 30231112 in words is "thirty million, two hundred thirty-one thousand, one hundred twelve".
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