Base | Representation |
---|---|
bin | 110110110101… |
… | …1111110110001 |
3 | 2000002211212002 |
4 | 1231223332301 |
5 | 24330110331 |
6 | 2504143345 |
7 | 466255304 |
oct | 155537661 |
9 | 60084762 |
10 | 28753841 |
11 | 1525a206 |
12 | 9767b55 |
13 | 5c59a0c |
14 | 3b66b3b |
15 | 27ce9cb |
hex | 1b6bfb1 |
28753841 has 8 divisors (see below), whose sum is σ = 30174144. Its totient is φ = 27347760.
The previous prime is 28753759. The next prime is 28753849. The reversal of 28753841 is 14835782.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28753841 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28753795 and 28753804.
It is not an unprimeable number, because it can be changed into a prime (28753849) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710 + ... + 7616.
It is an arithmetic number, because the mean of its divisors is an integer number (3771768).
Almost surely, 228753841 is an apocalyptic number.
It is an amenable number.
28753841 is a deficient number, since it is larger than the sum of its proper divisors (1420303).
28753841 is a wasteful number, since it uses less digits than its factorization.
28753841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7111.
The product of its digits is 53760, while the sum is 38.
The square root of 28753841 is about 5362.2608105164. The cubic root of 28753841 is about 306.3599257751.
The spelling of 28753841 in words is "twenty-eight million, seven hundred fifty-three thousand, eight hundred forty-one".
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