Base | Representation |
---|---|
bin | 110101110010… |
… | …1010001010011 |
3 | 1222001210222000 |
4 | 1223211101103 |
5 | 24204431232 |
6 | 2444245043 |
7 | 461466525 |
oct | 153452123 |
9 | 58053860 |
10 | 28202067 |
11 | 14a126a3 |
12 | 9540783 |
13 | 5ac581a |
14 | 3a61a15 |
15 | 272127c |
hex | 1ae5453 |
28202067 has 16 divisors (see below), whose sum is σ = 42053280. Its totient is φ = 18678816.
The previous prime is 28202039. The next prime is 28202089. The reversal of 28202067 is 76020282.
It is not a de Polignac number, because 28202067 - 27 = 28201939 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 28202067.
It is not an unprimeable number, because it can be changed into a prime (28202267) 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 15 ways as a sum of consecutive naturals, for example, 913 + ... + 7565.
It is an arithmetic number, because the mean of its divisors is an integer number (2628330).
Almost surely, 228202067 is an apocalyptic number.
28202067 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
28202067 is a deficient number, since it is larger than the sum of its proper divisors (13851213).
28202067 is a wasteful number, since it uses less digits than its factorization.
28202067 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6819 (or 6813 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 28202067 is about 5310.5618346838. The cubic root of 28202067 is about 304.3876165630.
The spelling of 28202067 in words is "twenty-eight million, two hundred two thousand, sixty-seven".
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