Base | Representation |
---|---|
bin | 111001101001… |
… | …1101100001100 |
3 | 2002212200221101 |
4 | 1303103230030 |
5 | 30214232322 |
6 | 2555512444 |
7 | 514632661 |
oct | 163235414 |
9 | 62780841 |
10 | 30227212 |
11 | 16076174 |
12 | a158724 |
13 | 6354532 |
14 | 402ba68 |
15 | 29c1327 |
hex | 1cd3b0c |
30227212 has 6 divisors (see below), whose sum is σ = 52897628. Its totient is φ = 15113604.
The previous prime is 30227203. The next prime is 30227213. The reversal of 30227212 is 21272203.
It is a self number, because there is not a number n which added to its sum of digits gives 30227212.
It is not an unprimeable number, because it can be changed into a prime (30227213) 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 as a sum of consecutive naturals, namely, 3778398 + ... + 3778405.
Almost surely, 230227212 is an apocalyptic number.
It is an amenable number.
30227212 is a deficient number, since it is larger than the sum of its proper divisors (22670416).
30227212 is a wasteful number, since it uses less digits than its factorization.
30227212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7556807 (or 7556805 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 19.
The square root of 30227212 is about 5497.9279733369. The cubic root of 30227212 is about 311.5057235073.
Adding to 30227212 its reverse (21272203), we get a palindrome (51499415).
The spelling of 30227212 in words is "thirty million, two hundred twenty-seven thousand, two hundred twelve".
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