Base | Representation |
---|---|
bin | 111001101001… |
… | …1101101001000 |
3 | 2002212201000121 |
4 | 1303103231020 |
5 | 30214233042 |
6 | 2555513024 |
7 | 514633105 |
oct | 163235510 |
9 | 62781017 |
10 | 30227272 |
11 | 16076219 |
12 | a158774 |
13 | 635457a |
14 | 402baac |
15 | 29c1367 |
hex | 1cd3b48 |
30227272 has 16 divisors (see below), whose sum is σ = 57360240. Its totient is φ = 14931216.
The previous prime is 30227243. The next prime is 30227287. The reversal of 30227272 is 27272203.
It is an unprimeable number.
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, 22098 + ... + 23425.
It is an arithmetic number, because the mean of its divisors is an integer number (3585015).
Almost surely, 230227272 is an apocalyptic number.
It is an amenable number.
30227272 is a deficient number, since it is larger than the sum of its proper divisors (27132968).
30227272 is a wasteful number, since it uses less digits than its factorization.
30227272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45612 (or 45608 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 25.
The square root of 30227272 is about 5497.9334299353. The cubic root of 30227272 is about 311.5059296167.
Adding to 30227272 its reverse (27272203), we get a palindrome (57499475).
The spelling of 30227272 in words is "thirty million, two hundred twenty-seven thousand, two hundred seventy-two".
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