Base | Representation |
---|---|
bin | 110110110101… |
… | …1010011001101 |
3 | 2000002201000211 |
4 | 1231223103031 |
5 | 24330013203 |
6 | 2504122421 |
7 | 466244212 |
oct | 155532315 |
9 | 60081024 |
10 | 28751053 |
11 | 15258101 |
12 | 9766411 |
13 | 5c58676 |
14 | 3b65b09 |
15 | 27cdc6d |
hex | 1b6b4cd |
28751053 has 2 divisors, whose sum is σ = 28751054. Its totient is φ = 28751052.
The previous prime is 28751033. The next prime is 28751083. The reversal of 28751053 is 35015782.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 28751044 + 9 = 5362^2 + 3^2 .
It is a cyclic number.
It is not a de Polignac number, because 28751053 - 29 = 28750541 is a prime.
It is a nialpdrome in base 12.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28751003) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14375526 + 14375527.
It is an arithmetic number, because the mean of its divisors is an integer number (14375527).
Almost surely, 228751053 is an apocalyptic number.
It is an amenable number.
28751053 is a deficient number, since it is larger than the sum of its proper divisors (1).
28751053 is an equidigital number, since it uses as much as digits as its factorization.
28751053 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8400, while the sum is 31.
The square root of 28751053 is about 5362.0008392390. Note that the first 3 decimals coincide. The cubic root of 28751053 is about 306.3500238043.
The spelling of 28751053 in words is "twenty-eight million, seven hundred fifty-one thousand, fifty-three".
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