Base | Representation |
---|---|
bin | 110111000000… |
… | …1010001101111 |
3 | 2000021021111211 |
4 | 1232001101233 |
5 | 24340403241 |
6 | 2510055251 |
7 | 500100520 |
oct | 156012157 |
9 | 60237454 |
10 | 28841071 |
11 | 153097a6 |
12 | 97aa527 |
13 | 5c8a62c |
14 | 3b8a847 |
15 | 27ea781 |
hex | 1b8146f |
28841071 has 8 divisors (see below), whose sum is σ = 33022080. Its totient is φ = 24675288.
The previous prime is 28841047. The next prime is 28841077. The reversal of 28841071 is 17014882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28841071 - 221 = 26743919 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28841077) 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 7 ways as a sum of consecutive naturals, for example, 600 + ... + 7618.
It is an arithmetic number, because the mean of its divisors is an integer number (4127760).
Almost surely, 228841071 is an apocalyptic number.
28841071 is a deficient number, since it is larger than the sum of its proper divisors (4181009).
28841071 is an equidigital number, since it uses as much as digits as its factorization.
28841071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7613.
The product of its (nonzero) digits is 3584, while the sum is 31.
The square root of 28841071 is about 5370.3883472241. The cubic root of 28841071 is about 306.6694125200.
The spelling of 28841071 in words is "twenty-eight million, eight hundred forty-one thousand, seventy-one".
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