Base | Representation |
---|---|
bin | 11011001101011… |
… | …11100101110000 |
3 | 120220111211010210 |
4 | 31212233211300 |
5 | 431413311313 |
6 | 34352224120 |
7 | 5441115441 |
oct | 1546574560 |
9 | 526454123 |
10 | 228260208 |
11 | 107935300 |
12 | 6453b040 |
13 | 383a0417 |
14 | 2245b2c8 |
15 | 1508c9c3 |
hex | d9af970 |
228260208 has 60 divisors (see below), whose sum is σ = 648168584. Its totient is φ = 69168000.
The previous prime is 228260191. The next prime is 228260239. The reversal of 228260208 is 802062822.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13843 + ... + 25458.
Almost surely, 2228260208 is an apocalyptic number.
It is an amenable number.
228260208 is an abundant number, since it is smaller than the sum of its proper divisors (419908376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228260208 is a wasteful number, since it uses less digits than its factorization.
228260208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39334 (or 39317 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 30.
The square root of 228260208 is about 15108.2827614524. The cubic root of 228260208 is about 611.1437896599.
The spelling of 228260208 in words is "two hundred twenty-eight million, two hundred sixty thousand, two hundred eight".
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