Base | Representation |
---|---|
bin | 110111010011… |
… | …1000001011011 |
3 | 2000120010120220 |
4 | 1232213001123 |
5 | 24410330200 |
6 | 2513251123 |
7 | 501313332 |
oct | 156470133 |
9 | 60503526 |
10 | 28995675 |
11 | 15404975 |
12 | 9863aa3 |
13 | 6012b07 |
14 | 3bcad19 |
15 | 282b4a0 |
hex | 1ba705b |
28995675 has 12 divisors (see below), whose sum is σ = 47939640. Its totient is φ = 15464320.
The previous prime is 28995661. The next prime is 28995677. The reversal of 28995675 is 57659982.
It is a happy number.
It is not a de Polignac number, because 28995675 - 28 = 28995419 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28995677) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193230 + ... + 193379.
It is an arithmetic number, because the mean of its divisors is an integer number (3994970).
Almost surely, 228995675 is an apocalyptic number.
28995675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
28995675 is a deficient number, since it is larger than the sum of its proper divisors (18943965).
28995675 is a wasteful number, since it uses less digits than its factorization.
28995675 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 386622 (or 386617 counting only the distinct ones).
The product of its digits is 1360800, while the sum is 51.
The square root of 28995675 is about 5384.7632259924. The cubic root of 28995675 is about 307.2164085101.
The spelling of 28995675 in words is "twenty-eight million, nine hundred ninety-five thousand, six hundred seventy-five".
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