Base | Representation |
---|---|
bin | 110101111110… |
… | …1010101000000 |
3 | 1222020211010200 |
4 | 1223331111000 |
5 | 24221104413 |
6 | 2450325200 |
7 | 462360030 |
oct | 153752500 |
9 | 58224120 |
10 | 28300608 |
11 | 14a7a736 |
12 | 9589800 |
13 | 5b2b62b |
14 | 3a898c0 |
15 | 2740573 |
hex | 1afd540 |
28300608 has 84 divisors (see below), whose sum is σ = 92720160. Its totient is φ = 8084736.
The previous prime is 28300561. The next prime is 28300609. The reversal of 28300608 is 80600382.
28300608 is a `hidden beast` number, since 28 + 30 + 0 + 608 = 666.
It is a tau number, because it is divible by the number of its divisors (84).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28300609) 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, 523 + ... + 7541.
Almost surely, 228300608 is an apocalyptic number.
28300608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28300608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46360080).
28300608 is an abundant number, since it is smaller than the sum of its proper divisors (64419552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28300608 is a wasteful number, since it uses less digits than its factorization.
28300608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7044 (or 7031 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 28300608 is about 5319.8315762813. The cubic root of 28300608 is about 304.7417252760.
The spelling of 28300608 in words is "twenty-eight million, three hundred thousand, six hundred eight".
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