Base | Representation |
---|---|
bin | 11011001100100… |
… | …11000111111000 |
3 | 120220021220012021 |
4 | 31212103013320 |
5 | 431401043413 |
6 | 34345524224 |
7 | 5440121500 |
oct | 1546230770 |
9 | 526256167 |
10 | 228143608 |
11 | 107865740 |
12 | 644a3674 |
13 | 3835c324 |
14 | 2242aa00 |
15 | 1506818d |
hex | d9931f8 |
228143608 has 96 divisors (see below), whose sum is σ = 547925040. Its totient is φ = 88058880.
The previous prime is 228143603. The next prime is 228143611. The reversal of 228143608 is 806341822.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228143603) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 676816 + ... + 677152.
Almost surely, 2228143608 is an apocalyptic number.
228143608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 228143608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273962520).
228143608 is an abundant number, since it is smaller than the sum of its proper divisors (319781432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228143608 is a wasteful number, since it uses less digits than its factorization.
228143608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 525 (or 514 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 34.
The square root of 228143608 is about 15104.4234580470. The cubic root of 228143608 is about 611.0397103382.
The spelling of 228143608 in words is "two hundred twenty-eight million, one hundred forty-three thousand, six hundred eight".
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