Base | Representation |
---|---|
bin | 110110110110… |
… | …0010001101010 |
3 | 2000002220111212 |
4 | 1231230101222 |
5 | 24330130200 |
6 | 2504153122 |
7 | 466261652 |
oct | 155542152 |
9 | 60086455 |
10 | 28755050 |
11 | 15260105 |
12 | 97687a2 |
13 | 5c5a42c |
14 | 3b67362 |
15 | 27d0035 |
hex | 1b6c46a |
28755050 has 24 divisors (see below), whose sum is σ = 53782272. Its totient is φ = 11438000.
The previous prime is 28755043. The next prime is 28755053. The reversal of 28755050 is 5055782.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 28754998 and 28755016.
It is not an unprimeable number, because it can be changed into a prime (28755053) 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 11 ways as a sum of consecutive naturals, for example, 8045 + ... + 11055.
It is an arithmetic number, because the mean of its divisors is an integer number (2240928).
Almost surely, 228755050 is an apocalyptic number.
28755050 is a deficient number, since it is larger than the sum of its proper divisors (25027222).
28755050 is a wasteful number, since it uses less digits than its factorization.
28755050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3214 (or 3209 counting only the distinct ones).
The product of its (nonzero) digits is 14000, while the sum is 32.
The square root of 28755050 is about 5362.3735416325. The cubic root of 28755050 is about 306.3642195082.
The spelling of 28755050 in words is "twenty-eight million, seven hundred fifty-five thousand, fifty".
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