Base | Representation |
---|---|
bin | 11011001100100… |
… | …11011000010111 |
3 | 120220021221122100 |
4 | 31212103120113 |
5 | 431401112123 |
6 | 34345533143 |
7 | 5440124535 |
oct | 1546233027 |
9 | 526257570 |
10 | 228144663 |
11 | 10786650a |
12 | 644a41b3 |
13 | 3835c956 |
14 | 2242b155 |
15 | 15068643 |
hex | d993617 |
228144663 has 12 divisors (see below), whose sum is σ = 329689360. Its totient is φ = 152028576.
The previous prime is 228144617. The next prime is 228144667. The reversal of 228144663 is 366441822.
It is not a de Polignac number, because 228144663 - 29 = 228144151 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228144667) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23595 + ... + 31827.
Almost surely, 2228144663 is an apocalyptic number.
228144663 is a deficient number, since it is larger than the sum of its proper divisors (101544697).
228144663 is a wasteful number, since it uses less digits than its factorization.
228144663 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11318 (or 11315 counting only the distinct ones).
The product of its digits is 55296, while the sum is 36.
The square root of 228144663 is about 15104.4583815508. The cubic root of 228144663 is about 611.0406522097.
The spelling of 228144663 in words is "two hundred twenty-eight million, one hundred forty-four thousand, six hundred sixty-three".
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