Base | Representation |
---|---|
bin | 11011010010111… |
… | …00111000110000 |
3 | 120221211212211120 |
4 | 31221130320300 |
5 | 432104020112 |
6 | 34415342240 |
7 | 5450133054 |
oct | 1551347060 |
9 | 527755746 |
10 | 228970032 |
11 | 10827a635 |
12 | 64821980 |
13 | 3858b535 |
14 | 225a3c64 |
15 | 1517ce8c |
hex | da5ce30 |
228970032 has 80 divisors (see below), whose sum is σ = 605854080. Its totient is φ = 74492416.
The previous prime is 228970019. The next prime is 228970057. The reversal of 228970032 is 230079822.
228970032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 228969975 and 228970002.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659683 + ... + 660029.
It is an arithmetic number, because the mean of its divisors is an integer number (7573176).
Almost surely, 2228970032 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 228970032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302927040).
228970032 is an abundant number, since it is smaller than the sum of its proper divisors (376884048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228970032 is a wasteful number, since it uses less digits than its factorization.
228970032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 650 (or 644 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 228970032 is about 15131.7557474339. The cubic root of 228970032 is about 611.7766282947.
The spelling of 228970032 in words is "two hundred twenty-eight million, nine hundred seventy thousand, thirty-two".
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