Base | Representation |
---|---|
bin | 111001100111… |
… | …0100100011100 |
3 | 2002211122011111 |
4 | 1303032210130 |
5 | 30213044421 |
6 | 2555231404 |
7 | 514514554 |
oct | 163164434 |
9 | 62748144 |
10 | 30206236 |
11 | 16061435 |
12 | a148564 |
13 | 6347b18 |
14 | 4024164 |
15 | 29b9ee1 |
hex | 1cce91c |
30206236 has 12 divisors (see below), whose sum is σ = 52940440. Its totient is φ = 15080400.
The previous prime is 30206233. The next prime is 30206243. The reversal of 30206236 is 63260203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30206233) 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 3 ways as a sum of consecutive naturals, for example, 2490 + ... + 8161.
Almost surely, 230206236 is an apocalyptic number.
It is an amenable number.
30206236 is a deficient number, since it is larger than the sum of its proper divisors (22734204).
30206236 is a wasteful number, since it uses less digits than its factorization.
30206236 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11364 (or 11362 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 22.
The square root of 30206236 is about 5496.0200145196. The cubic root of 30206236 is about 311.4336509646.
Adding to 30206236 its reverse (63260203), we get a palindrome (93466439).
The spelling of 30206236 in words is "thirty million, two hundred six thousand, two hundred thirty-six".
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