Base | Representation |
---|---|
bin | 110111001011… |
… | …1000010000000 |
3 | 2000102210202000 |
4 | 1232113002000 |
5 | 24401231201 |
6 | 2512024000 |
7 | 500621352 |
oct | 156270200 |
9 | 60383660 |
10 | 28930176 |
11 | 1536a740 |
12 | 9832000 |
13 | 5cbc062 |
14 | 3bb10d2 |
15 | 2816d86 |
hex | 1b97080 |
28930176 has 128 divisors (see below), whose sum is σ = 93268800. Its totient is φ = 8755200.
The previous prime is 28930169. The next prime is 28930193. The reversal of 28930176 is 67103982.
28930176 is a `hidden beast` number, since 289 + 301 + 76 = 666.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nialpdrome in base 12.
It is a self number, because there is not a number n which added to its sum of digits gives 28930176.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37636 + ... + 38396.
Almost surely, 228930176 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28930176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46634400).
28930176 is an abundant number, since it is smaller than the sum of its proper divisors (64338624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28930176 is a wasteful number, since it uses less digits than its factorization.
28930176 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 795 (or 777 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 28930176 is about 5378.6779044669. The cubic root of 28930176 is about 306.9849080281.
The spelling of 28930176 in words is "twenty-eight million, nine hundred thirty thousand, one hundred seventy-six".
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