Base | Representation |
---|---|
bin | 110101111100… |
… | …1001101011101 |
3 | 1222012221222222 |
4 | 1223321031131 |
5 | 24220034431 |
6 | 2450115125 |
7 | 462256613 |
oct | 153711535 |
9 | 58187888 |
10 | 28283741 |
11 | 14a68aa2 |
12 | 957baa5 |
13 | 5b23a55 |
14 | 3a836b3 |
15 | 273a57b |
hex | 1af935d |
28283741 has 2 divisors, whose sum is σ = 28283742. Its totient is φ = 28283740.
The previous prime is 28283719. The next prime is 28283743. The reversal of 28283741 is 14738282.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 25290841 + 2992900 = 5029^2 + 1730^2 .
It is a cyclic number.
It is not a de Polignac number, because 28283741 - 26 = 28283677 is a prime.
Together with 28283743, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28283743) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14141870 + 14141871.
It is an arithmetic number, because the mean of its divisors is an integer number (14141871).
Almost surely, 228283741 is an apocalyptic number.
It is an amenable number.
28283741 is a deficient number, since it is larger than the sum of its proper divisors (1).
28283741 is an equidigital number, since it uses as much as digits as its factorization.
28283741 is an evil number, because the sum of its binary digits is even.
The product of its digits is 21504, while the sum is 35.
The square root of 28283741 is about 5318.2460454552. The cubic root of 28283741 is about 304.6811718046.
The spelling of 28283741 in words is "twenty-eight million, two hundred eighty-three thousand, seven hundred forty-one".
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