Base | Representation |
---|---|
bin | 110101100101… |
… | …1010001000000 |
3 | 1221212101212000 |
4 | 1223023101000 |
5 | 24143024202 |
6 | 2442104000 |
7 | 460544142 |
oct | 153132100 |
9 | 57771760 |
10 | 28095552 |
11 | 1494a671 |
12 | 94ab000 |
13 | 5a891b4 |
14 | 3a34c92 |
15 | 26ee91c |
hex | 1acb440 |
28095552 has 112 divisors (see below), whose sum is σ = 84124800. Its totient is φ = 9192960.
The previous prime is 28095541. The next prime is 28095553. The reversal of 28095552 is 25559082.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28095553) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122574 + ... + 122802.
Almost surely, 228095552 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 28095552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42062400).
28095552 is an abundant number, since it is smaller than the sum of its proper divisors (56029248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28095552 is a wasteful number, since it uses less digits than its factorization.
28095552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 321 (or 305 counting only the distinct ones).
The product of its (nonzero) digits is 36000, while the sum is 36.
The square root of 28095552 is about 5300.5237477064. The cubic root of 28095552 is about 304.0039242337.
The spelling of 28095552 in words is "twenty-eight million, ninety-five thousand, five hundred fifty-two".
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