Base | Representation |
---|---|
bin | 111001101010… |
… | …0011011011100 |
3 | 2002212212002101 |
4 | 1303110123130 |
5 | 30214331421 |
6 | 2555534444 |
7 | 514644541 |
oct | 163243334 |
9 | 62785071 |
10 | 30230236 |
11 | 16078473 |
12 | a15a424 |
13 | 6355a1a |
14 | 402cbc8 |
15 | 29c2191 |
hex | 1cd46dc |
30230236 has 12 divisors (see below), whose sum is σ = 53199720. Its totient is φ = 15030320.
The previous prime is 30230227. The next prime is 30230237. The reversal of 30230236 is 63203203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30230237) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20395 + ... + 21826.
It is an arithmetic number, because the mean of its divisors is an integer number (4433310).
Almost surely, 230230236 is an apocalyptic number.
It is an amenable number.
30230236 is a deficient number, since it is larger than the sum of its proper divisors (22969484).
30230236 is a wasteful number, since it uses less digits than its factorization.
30230236 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42404 (or 42402 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 19.
The square root of 30230236 is about 5498.2029791560. The cubic root of 30230236 is about 311.5161110780.
Adding to 30230236 its reverse (63203203), we get a palindrome (93433439).
The spelling of 30230236 in words is "thirty million, two hundred thirty thousand, two hundred thirty-six".
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