Base | Representation |
---|---|
bin | 110111000001… |
… | …1011110001010 |
3 | 2000021201211200 |
4 | 1232003132022 |
5 | 24341200213 |
6 | 2510205030 |
7 | 500135646 |
oct | 156033612 |
9 | 60251750 |
10 | 28850058 |
11 | 15315526 |
12 | 97b3776 |
13 | 5c91753 |
14 | 3b8dc26 |
15 | 27ed273 |
hex | 1b8378a |
28850058 has 24 divisors (see below), whose sum is σ = 62690628. Its totient is φ = 9588672.
The previous prime is 28850051. The next prime is 28850077. The reversal of 28850058 is 85005882.
It can be written as a sum of positive squares in 2 ways, for example, as 28804689 + 45369 = 5367^2 + 213^2 .
It is not an unprimeable number, because it can be changed into a prime (28850051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4566 + ... + 8862.
Almost surely, 228850058 is an apocalyptic number.
28850058 is an abundant number, since it is smaller than the sum of its proper divisors (33840570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28850058 is a wasteful number, since it uses less digits than its factorization.
28850058 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4678 (or 4675 counting only the distinct ones).
The product of its (nonzero) digits is 25600, while the sum is 36.
The square root of 28850058 is about 5371.2249999418. The cubic root of 28850058 is about 306.7012623751.
The spelling of 28850058 in words is "twenty-eight million, eight hundred fifty thousand, fifty-eight".
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