Base | Representation |
---|---|
bin | 11011010010010… |
… | …00000011110100 |
3 | 120221200112211000 |
4 | 31221020003310 |
5 | 432043302344 |
6 | 34413443300 |
7 | 5446326255 |
oct | 1551100364 |
9 | 527615730 |
10 | 228884724 |
11 | 108221532 |
12 | 647a0530 |
13 | 3855b763 |
14 | 22580b2c |
15 | 15162a69 |
hex | da480f4 |
228884724 has 48 divisors (see below), whose sum is σ = 594227200. Its totient is φ = 76189248.
The previous prime is 228884629. The next prime is 228884729. The reversal of 228884724 is 427488822.
228884724 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 228884724.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228884729) 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, 137304 + ... + 138960.
Almost surely, 2228884724 is an apocalyptic number.
It is an amenable number.
228884724 is an abundant number, since it is smaller than the sum of its proper divisors (365342476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228884724 is a wasteful number, since it uses less digits than its factorization.
228884724 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2949 (or 2941 counting only the distinct ones).
The product of its digits is 458752, while the sum is 45.
The square root of 228884724 is about 15128.9366447216. The cubic root of 228884724 is about 611.7006417519.
The spelling of 228884724 in words is "two hundred twenty-eight million, eight hundred eighty-four thousand, seven hundred twenty-four".
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