Base | Representation |
---|---|
bin | 110111001101… |
… | …1111010011110 |
3 | 2000110211011200 |
4 | 1232123322132 |
5 | 24402401144 |
6 | 2512300330 |
7 | 501033561 |
oct | 156337236 |
9 | 60424150 |
10 | 28950174 |
11 | 15383770 |
12 | 98416a6 |
13 | 5cc81a6 |
14 | 3bb84d8 |
15 | 281cc69 |
hex | 1b9be9e |
28950174 has 24 divisors (see below), whose sum is σ = 68428152. Its totient is φ = 8772720.
The previous prime is 28950161. The next prime is 28950191. The reversal of 28950174 is 47105982.
28950174 is a `hidden beast` number, since 2 + 89 + 501 + 74 = 666.
It is a super-2 number, since 2×289501742 = 1676225149260552, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72909 + ... + 73304.
It is an arithmetic number, because the mean of its divisors is an integer number (2851173).
Almost surely, 228950174 is an apocalyptic number.
28950174 is an abundant number, since it is smaller than the sum of its proper divisors (39477978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28950174 is a wasteful number, since it uses less digits than its factorization.
28950174 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146232 (or 146229 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The square root of 28950174 is about 5380.5365903412. The cubic root of 28950174 is about 307.0556262312.
The spelling of 28950174 in words is "twenty-eight million, nine hundred fifty thousand, one hundred seventy-four".
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