Base | Representation |
---|---|
bin | 110101100100… |
… | …0001110011111 |
3 | 1221211202202221 |
4 | 1223020032133 |
5 | 24142124403 |
6 | 2441530211 |
7 | 460462636 |
oct | 153101637 |
9 | 57752687 |
10 | 28083103 |
11 | 14941284 |
12 | 94a3967 |
13 | 5a83629 |
14 | 3a3051d |
15 | 26eadbd |
hex | 1ac839f |
28083103 has 2 divisors, whose sum is σ = 28083104. Its totient is φ = 28083102.
The previous prime is 28083101. The next prime is 28083109. The reversal of 28083103 is 30138082.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28083103 - 21 = 28083101 is a prime.
Together with 28083101, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28083101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14041551 + 14041552.
It is an arithmetic number, because the mean of its divisors is an integer number (14041552).
Almost surely, 228083103 is an apocalyptic number.
28083103 is a deficient number, since it is larger than the sum of its proper divisors (1).
28083103 is an equidigital number, since it uses as much as digits as its factorization.
28083103 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 28083103 is about 5299.3492996782. The cubic root of 28083103 is about 303.9590167224.
The spelling of 28083103 in words is "twenty-eight million, eighty-three thousand, one hundred three".
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