Base | Representation |
---|---|
bin | 111101010100001… |
… | …011110101011101 |
3 | 2122200200110012210 |
4 | 331110023311131 |
5 | 4101321422113 |
6 | 250024351033 |
7 | 34330550556 |
oct | 7524136535 |
9 | 2580613183 |
10 | 1028701533 |
11 | 488747762 |
12 | 248615479 |
13 | 135179142 |
14 | 9a89d32d |
15 | 604a06c3 |
hex | 3d50bd5d |
1028701533 has 4 divisors (see below), whose sum is σ = 1371602048. Its totient is φ = 685801020.
The previous prime is 1028701493. The next prime is 1028701537. The reversal of 1028701533 is 3351078201.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 1028701533 - 28 = 1028701277 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1028701533.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1028701537) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171450253 + ... + 171450258.
It is an arithmetic number, because the mean of its divisors is an integer number (342900512).
Almost surely, 21028701533 is an apocalyptic number.
It is an amenable number.
1028701533 is a deficient number, since it is larger than the sum of its proper divisors (342900515).
1028701533 is an equidigital number, since it uses as much as digits as its factorization.
1028701533 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 342900514.
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 1028701533 is about 32073.3773245039. The cubic root of 1028701533 is about 1009.4770789139.
Adding to 1028701533 its reverse (3351078201), we get a palindrome (4379779734).
The spelling of 1028701533 in words is "one billion, twenty-eight million, seven hundred one thousand, five hundred thirty-three".
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