Base | Representation |
---|---|
bin | 110111001110… |
… | …0101001010000 |
3 | 2000110222021120 |
4 | 1232130221100 |
5 | 24403000133 |
6 | 2512322240 |
7 | 501045366 |
oct | 156345120 |
9 | 60428246 |
10 | 28953168 |
11 | 15385a42 |
12 | 9843380 |
13 | 5cc966a |
14 | 3bb9636 |
15 | 281dab3 |
hex | 1b9ca50 |
28953168 has 20 divisors (see below), whose sum is σ = 74795808. Its totient is φ = 9651040.
The previous prime is 28953149. The next prime is 28953173. The reversal of 28953168 is 86135982.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301548 + ... + 301643.
Almost surely, 228953168 is an apocalyptic number.
It is an amenable number.
28953168 is an abundant number, since it is smaller than the sum of its proper divisors (45842640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28953168 is a wasteful number, since it uses less digits than its factorization.
28953168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 603202 (or 603196 counting only the distinct ones).
The product of its digits is 103680, while the sum is 42.
The square root of 28953168 is about 5380.8148081866. The cubic root of 28953168 is about 307.0662110019.
The spelling of 28953168 in words is "twenty-eight million, nine hundred fifty-three thousand, one hundred sixty-eight".
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