Base | Representation |
---|---|
bin | 110110110001… |
… | …0010000110111 |
3 | 2000000211020221 |
4 | 1231202100313 |
5 | 24322322124 |
6 | 2503235211 |
7 | 466031254 |
oct | 155422067 |
9 | 60024227 |
10 | 28714039 |
11 | 15232312 |
12 | 9748b07 |
13 | 5c44873 |
14 | 3b5642b |
15 | 27c2ce4 |
hex | 1b62437 |
28714039 has 8 divisors (see below), whose sum is σ = 29730240. Its totient is φ = 27714816.
The previous prime is 28714027. The next prime is 28714069. The reversal of 28714039 is 93041782.
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 28714039 - 213 = 28705847 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28713995 and 28714013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28714019) 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, 754 + ... + 7615.
It is an arithmetic number, because the mean of its divisors is an integer number (3716280).
Almost surely, 228714039 is an apocalyptic number.
28714039 is a deficient number, since it is larger than the sum of its proper divisors (1016201).
28714039 is an equidigital number, since it uses as much as digits as its factorization.
28714039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8489.
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 28714039 is about 5358.5482175679. The cubic root of 28714039 is about 306.2185027165.
The spelling of 28714039 in words is "twenty-eight million, seven hundred fourteen thousand, thirty-nine".
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