Base | Representation |
---|---|
bin | 111101010010000… |
… | …100101011010111 |
3 | 2122122122022210212 |
4 | 331102010223113 |
5 | 4101201213202 |
6 | 250004440035 |
7 | 34323053552 |
oct | 7522045327 |
9 | 2578568725 |
10 | 1028147927 |
11 | 4883a9834 |
12 | 2483a901b |
13 | 135014171 |
14 | 9a797699 |
15 | 603e1652 |
hex | 3d484ad7 |
1028147927 has 2 divisors, whose sum is σ = 1028147928. Its totient is φ = 1028147926.
The previous prime is 1028147921. The next prime is 1028147951. The reversal of 1028147927 is 7297418201.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1028147927 - 28 = 1028147671 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1028147921) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514073963 + 514073964.
It is an arithmetic number, because the mean of its divisors is an integer number (514073964).
Almost surely, 21028147927 is an apocalyptic number.
1028147927 is a deficient number, since it is larger than the sum of its proper divisors (1).
1028147927 is an equidigital number, since it uses as much as digits as its factorization.
1028147927 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 56448, while the sum is 41.
The square root of 1028147927 is about 32064.7458589648. The cubic root of 1028147927 is about 1009.2959596969.
The spelling of 1028147927 in words is "one billion, twenty-eight million, one hundred forty-seven thousand, nine hundred twenty-seven".
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