Base | Representation |
---|---|
bin | 11011010010010… |
… | …00001111010000 |
3 | 120221200120211010 |
4 | 31221020033100 |
5 | 432043313311 |
6 | 34413450520 |
7 | 5446331352 |
oct | 1551101720 |
9 | 527616733 |
10 | 228885456 |
11 | 108222038 |
12 | 647a0a40 |
13 | 3855bba7 |
14 | 225810d2 |
15 | 15162da6 |
hex | da483d0 |
228885456 has 40 divisors (see below), whose sum is σ = 595274400. Its totient is φ = 75780736.
The previous prime is 228885451. The next prime is 228885473. The reversal of 228885456 is 654588822.
It is a happy number.
228885456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228885451) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8850 + ... + 23153.
It is an arithmetic number, because the mean of its divisors is an integer number (14881860).
Almost surely, 2228885456 is an apocalyptic number.
It is an amenable number.
228885456 is an abundant number, since it is smaller than the sum of its proper divisors (366388944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228885456 is a wasteful number, since it uses less digits than its factorization.
228885456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32163 (or 32157 counting only the distinct ones).
The product of its digits is 1228800, while the sum is 48.
The square root of 228885456 is about 15128.9608367528. The cubic root of 228885456 is about 611.7012938479.
The spelling of 228885456 in words is "two hundred twenty-eight million, eight hundred eighty-five thousand, four hundred fifty-six".
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