Base | Representation |
---|---|
bin | 11011001110000… |
… | …11100101000000 |
3 | 120220122222110002 |
4 | 31213003211000 |
5 | 431423421310 |
6 | 34354055132 |
7 | 5441606231 |
oct | 1547034500 |
9 | 526588402 |
10 | 228342080 |
11 | 10799086a |
12 | 6457a4a8 |
13 | 383cb775 |
14 | 2247d088 |
15 | 150a6da5 |
hex | d9c3940 |
228342080 has 28 divisors (see below), whose sum is σ = 543740340. Its totient is φ = 91336704.
The previous prime is 228342077. The next prime is 228342089. The reversal of 228342080 is 80243822.
It can be written as a sum of positive squares in 2 ways, for example, as 101284096 + 127057984 = 10064^2 + 11272^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228342089) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356465 + ... + 357104.
Almost surely, 2228342080 is an apocalyptic number.
228342080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
228342080 is an abundant number, since it is smaller than the sum of its proper divisors (315398260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228342080 is an equidigital number, since it uses as much as digits as its factorization.
228342080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 713586 (or 713576 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 29.
The square root of 228342080 is about 15110.9920256746. The cubic root of 228342080 is about 611.2168489457.
The spelling of 228342080 in words is "two hundred twenty-eight million, three hundred forty-two thousand, eighty".
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