Base | Representation |
---|---|
bin | 110110000110… |
… | …1111101110001 |
3 | 1222101021121120 |
4 | 1230031331301 |
5 | 24230300003 |
6 | 2452012453 |
7 | 463062510 |
oct | 154157561 |
9 | 58337546 |
10 | 28368753 |
11 | 15016956 |
12 | 9601129 |
13 | 5b5365a |
14 | 3aa6677 |
15 | 2755853 |
hex | 1b0df71 |
28368753 has 8 divisors (see below), whose sum is σ = 43228608. Its totient is φ = 16210704.
The previous prime is 28368731. The next prime is 28368787. The reversal of 28368753 is 35786382.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28368753 - 28 = 28368497 is a prime.
It is a super-2 number, since 2×283687532 = 1609572293550018, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (28368253) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675426 + ... + 675467.
It is an arithmetic number, because the mean of its divisors is an integer number (5403576).
Almost surely, 228368753 is an apocalyptic number.
It is an amenable number.
28368753 is a deficient number, since it is larger than the sum of its proper divisors (14859855).
28368753 is a wasteful number, since it uses less digits than its factorization.
28368753 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1350903.
The product of its digits is 241920, while the sum is 42.
The square root of 28368753 is about 5326.2325334142. The cubic root of 28368753 is about 304.9861249623.
The spelling of 28368753 in words is "twenty-eight million, three hundred sixty-eight thousand, seven hundred fifty-three".
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