Base | Representation |
---|---|
bin | 110110110111… |
… | …0101001111011 |
3 | 2000010101212210 |
4 | 1231232221323 |
5 | 24330433140 |
6 | 2504310203 |
7 | 466332243 |
oct | 155565173 |
9 | 60111783 |
10 | 28764795 |
11 | 15267464 |
12 | 9772363 |
13 | 5c619b7 |
14 | 3b6ab23 |
15 | 27d2d80 |
hex | 1b6ea7b |
28764795 has 8 divisors (see below), whose sum is σ = 46023696. Its totient is φ = 15341216.
The previous prime is 28764793. The next prime is 28764797. The reversal of 28764795 is 59746782.
It is an interprime number because it is at equal distance from previous prime (28764793) and next prime (28764797).
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 28764795 - 21 = 28764793 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28764793) 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, 958812 + ... + 958841.
It is an arithmetic number, because the mean of its divisors is an integer number (5752962).
Almost surely, 228764795 is an apocalyptic number.
28764795 is a deficient number, since it is larger than the sum of its proper divisors (17258901).
28764795 is a wasteful number, since it uses less digits than its factorization.
28764795 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1917661.
The product of its digits is 846720, while the sum is 48.
The square root of 28764795 is about 5363.2821107975. The cubic root of 28764795 is about 306.3988242370.
The spelling of 28764795 in words is "twenty-eight million, seven hundred sixty-four thousand, seven hundred ninety-five".
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