Base | Representation |
---|---|
bin | 11011001011100… |
… | …00000111010100 |
3 | 120220000121111022 |
4 | 31211300013110 |
5 | 431332001322 |
6 | 34342500312 |
7 | 5435653436 |
oct | 1545600724 |
9 | 526017438 |
10 | 228000212 |
11 | 107777a30 |
12 | 64434698 |
13 | 3830bc8b |
14 | 223d0656 |
15 | 1503a942 |
hex | d9701d4 |
228000212 has 24 divisors (see below), whose sum is σ = 436000320. Its totient is φ = 103463360.
The previous prime is 228000211. The next prime is 228000239. The reversal of 228000212 is 212000822.
228000212 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.
228000212 is strictly pandigital in base 9.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228000211) 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 7 ways as a sum of consecutive naturals, for example, 24464 + ... + 32472.
It is an arithmetic number, because the mean of its divisors is an integer number (18166680).
Almost surely, 2228000212 is an apocalyptic number.
228000212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
228000212 is a deficient number, since it is larger than the sum of its proper divisors (208000108).
228000212 is a wasteful number, since it uses less digits than its factorization.
228000212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8671 (or 8669 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 228000212 is about 15099.6758905614. The cubic root of 228000212 is about 610.9116637757.
The spelling of 228000212 in words is "two hundred twenty-eight million, two hundred twelve", and thus it is an aban number.
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