Base | Representation |
---|---|
bin | 111101010011000… |
… | …000110111100011 |
3 | 2122200002211222222 |
4 | 331103000313203 |
5 | 4101232110332 |
6 | 250014021255 |
7 | 34325131412 |
oct | 7523006743 |
9 | 2580084888 |
10 | 1028394467 |
11 | 488557a91 |
12 | 2484a782b |
13 | 13509c449 |
14 | 9a81d479 |
15 | 6043e712 |
hex | 3d4c0de3 |
1028394467 has 2 divisors, whose sum is σ = 1028394468. Its totient is φ = 1028394466.
The previous prime is 1028394463. The next prime is 1028394511. The reversal of 1028394467 is 7644938201.
It is an a-pointer prime, because the next prime (1028394511) can be obtained adding 1028394467 to its sum of digits (44).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1028394467 - 22 = 1028394463 is a prime.
It is not a weakly prime, because it can be changed into another prime (1028394463) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514197233 + 514197234.
It is an arithmetic number, because the mean of its divisors is an integer number (514197234).
Almost surely, 21028394467 is an apocalyptic number.
1028394467 is a deficient number, since it is larger than the sum of its proper divisors (1).
1028394467 is an equidigital number, since it uses as much as digits as its factorization.
1028394467 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 290304, while the sum is 44.
The square root of 1028394467 is about 32068.5900376053. The cubic root of 1028394467 is about 1009.3766264093.
The spelling of 1028394467 in words is "one billion, twenty-eight million, three hundred ninety-four thousand, four hundred sixty-seven".
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