Base | Representation |
---|---|
bin | 11011001100111… |
… | …01010001110000 |
3 | 120220101000020201 |
4 | 31212131101300 |
5 | 431403411300 |
6 | 34350444544 |
7 | 5440353655 |
oct | 1546352160 |
9 | 526330221 |
10 | 228185200 |
11 | 107893a11 |
12 | 64503754 |
13 | 38375239 |
14 | 2243bc2c |
15 | 1507566a |
hex | d99d470 |
228185200 has 30 divisors (see below), whose sum is σ = 548215904. Its totient is φ = 91273920.
The previous prime is 228185173. The next prime is 228185233. The reversal of 228185200 is 2581822.
228185200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×2281852003 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 284832 + ... + 285631.
Almost surely, 2228185200 is an apocalyptic number.
228185200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
228185200 is an abundant number, since it is smaller than the sum of its proper divisors (320030704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228185200 is a wasteful number, since it uses less digits than its factorization.
228185200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 570481 (or 570470 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 28.
The square root of 228185200 is about 15105.8002105152. The cubic root of 228185200 is about 611.0768401963.
The spelling of 228185200 in words is "two hundred twenty-eight million, one hundred eighty-five thousand, two hundred".
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