Base | Representation |
---|---|
bin | 100010011100… |
… | …1001110110100 |
3 | 1020222112221202 |
4 | 1010321032310 |
5 | 14110411322 |
6 | 1443032032 |
7 | 306336452 |
oct | 104711664 |
9 | 36875852 |
10 | 18060212 |
11 | a2159a5 |
12 | 606b618 |
13 | 3984521 |
14 | 25819d2 |
15 | 18bb292 |
hex | 11393b4 |
18060212 has 6 divisors (see below), whose sum is σ = 31605378. Its totient is φ = 9030104.
The previous prime is 18060191. The next prime is 18060223. The reversal of 18060212 is 21206081.
It can be written as a sum of positive squares in only one way, i.e., 9084196 + 8976016 = 3014^2 + 2996^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2257523 + ... + 2257530.
It is an arithmetic number, because the mean of its divisors is an integer number (5267563).
Almost surely, 218060212 is an apocalyptic number.
It is an amenable number.
18060212 is a deficient number, since it is larger than the sum of its proper divisors (13545166).
18060212 is a wasteful number, since it uses less digits than its factorization.
18060212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4515057 (or 4515055 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 20.
The square root of 18060212 is about 4249.7308150046. The cubic root of 18060212 is about 262.3660365582.
Adding to 18060212 its reverse (21206081), we get a palindrome (39266293).
The spelling of 18060212 in words is "eighteen million, sixty thousand, two hundred twelve".
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