Base | Representation |
---|---|
bin | 110110110111… |
… | …1011101011111 |
3 | 2000010120102000 |
4 | 1231233131133 |
5 | 24331034340 |
6 | 2504333343 |
7 | 466344666 |
oct | 155573537 |
9 | 60116360 |
10 | 28768095 |
11 | 15269994 |
12 | 9774253 |
13 | 5c63355 |
14 | 3b6bddd |
15 | 27d3d30 |
hex | 1b6f75f |
28768095 has 16 divisors (see below), whose sum is σ = 51143520. Its totient is φ = 15342912.
The previous prime is 28768081. The next prime is 28768111. The reversal of 28768095 is 59086782.
It is not a de Polignac number, because 28768095 - 27 = 28767967 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 28768095.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106414 + ... + 106683.
It is an arithmetic number, because the mean of its divisors is an integer number (3196470).
Almost surely, 228768095 is an apocalyptic number.
28768095 is a deficient number, since it is larger than the sum of its proper divisors (22375425).
28768095 is a wasteful number, since it uses less digits than its factorization.
28768095 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 213111 (or 213105 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 45.
The square root of 28768095 is about 5363.5897494122. The cubic root of 28768095 is about 306.4105408447.
The spelling of 28768095 in words is "twenty-eight million, seven hundred sixty-eight thousand, ninety-five".
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