Base | Representation |
---|---|
bin | 110111001011… |
… | …1000111110100 |
3 | 2000102211020210 |
4 | 1232113013310 |
5 | 24401234143 |
6 | 2512025420 |
7 | 500622423 |
oct | 156270764 |
9 | 60384223 |
10 | 28930548 |
11 | 1536aa49 |
12 | 9832270 |
13 | 5cbc28a |
14 | 3bb12ba |
15 | 2817033 |
hex | 1b971f4 |
28930548 has 24 divisors (see below), whose sum is σ = 67652928. Its totient is φ = 9622336.
The previous prime is 28930501. The next prime is 28930567. The reversal of 28930548 is 84503982.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3640 + ... + 8432.
It is an arithmetic number, because the mean of its divisors is an integer number (2818872).
Almost surely, 228930548 is an apocalyptic number.
It is an amenable number.
28930548 is an abundant number, since it is smaller than the sum of its proper divisors (38722380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28930548 is a wasteful number, since it uses less digits than its factorization.
28930548 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5303 (or 5301 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 39.
The square root of 28930548 is about 5378.7124853444. The cubic root of 28930548 is about 306.9862238157.
The spelling of 28930548 in words is "twenty-eight million, nine hundred thirty thousand, five hundred forty-eight".
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