Base | Representation |
---|---|
bin | 11011010000111… |
… | …01100001001000 |
3 | 120221100200210020 |
4 | 31220131201020 |
5 | 432022213342 |
6 | 34410020440 |
7 | 5445002244 |
oct | 1550354110 |
9 | 527320706 |
10 | 228710472 |
11 | 108112621 |
12 | 64717720 |
13 | 384ca353 |
14 | 22537424 |
15 | 1512b0ec |
hex | da1d848 |
228710472 has 64 divisors (see below), whose sum is σ = 601300800. Its totient is φ = 72387840.
The previous prime is 228710453. The next prime is 228710473. The reversal of 228710472 is 274017822.
It is not an unprimeable number, because it can be changed into a prime (228710473) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39763 + ... + 45149.
It is an arithmetic number, because the mean of its divisors is an integer number (9395325).
Almost surely, 2228710472 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 228710472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300650400).
228710472 is an abundant number, since it is smaller than the sum of its proper divisors (372590328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228710472 is a wasteful number, since it uses less digits than its factorization.
228710472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5486 (or 5482 counting only the distinct ones).
The product of its (nonzero) digits is 12544, while the sum is 33.
The square root of 228710472 is about 15123.1766504263. The cubic root of 228710472 is about 611.5453712747.
The spelling of 228710472 in words is "two hundred twenty-eight million, seven hundred ten thousand, four hundred seventy-two".
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