Base | Representation |
---|---|
bin | 110111001011… |
… | …1000110011111 |
3 | 2000102211010122 |
4 | 1232113012133 |
5 | 24401233323 |
6 | 2512025155 |
7 | 500622242 |
oct | 156270637 |
9 | 60384118 |
10 | 28930463 |
11 | 1536a981 |
12 | 98321bb |
13 | 5cbc223 |
14 | 3bb1259 |
15 | 2816ec8 |
hex | 1b9719f |
28930463 has 2 divisors, whose sum is σ = 28930464. Its totient is φ = 28930462.
The previous prime is 28930457. The next prime is 28930477. The reversal of 28930463 is 36403982.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28930463 - 224 = 12153247 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28930493) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14465231 + 14465232.
It is an arithmetic number, because the mean of its divisors is an integer number (14465232).
Almost surely, 228930463 is an apocalyptic number.
28930463 is a deficient number, since it is larger than the sum of its proper divisors (1).
28930463 is an equidigital number, since it uses as much as digits as its factorization.
28930463 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 31104, while the sum is 35.
The square root of 28930463 is about 5378.7045838194. The cubic root of 28930463 is about 306.9859231663.
The spelling of 28930463 in words is "twenty-eight million, nine hundred thirty thousand, four hundred sixty-three".
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