Base | Representation |
---|---|
bin | 110111001011… |
… | …1000001110111 |
3 | 2000102210201200 |
4 | 1232113001313 |
5 | 24401231132 |
6 | 2512023543 |
7 | 500621340 |
oct | 156270167 |
9 | 60383650 |
10 | 28930167 |
11 | 1536a732 |
12 | 9831bb3 |
13 | 5cbc056 |
14 | 3bb10c7 |
15 | 2816d7c |
hex | 1b97077 |
28930167 has 12 divisors (see below), whose sum is σ = 47757840. Its totient is φ = 16531488.
The previous prime is 28930151. The next prime is 28930169. The reversal of 28930167 is 76103982.
It is not a de Polignac number, because 28930167 - 24 = 28930151 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28930169) 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, 229542 + ... + 229667.
It is an arithmetic number, because the mean of its divisors is an integer number (3979820).
Almost surely, 228930167 is an apocalyptic number.
28930167 is a deficient number, since it is larger than the sum of its proper divisors (18827673).
28930167 is a wasteful number, since it uses less digits than its factorization.
28930167 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 459222 (or 459219 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 28930167 is about 5378.6770678300. The cubic root of 28930167 is about 306.9848761944.
The spelling of 28930167 in words is "twenty-eight million, nine hundred thirty thousand, one hundred sixty-seven".
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