Base | Representation |
---|---|
bin | 111101010100100… |
… | …101001011010101 |
3 | 2122200212201121020 |
4 | 331110211023111 |
5 | 4101333232313 |
6 | 250030511353 |
7 | 34331462313 |
oct | 7524451325 |
9 | 2580781536 |
10 | 1028805333 |
11 | 488808746 |
12 | 248665559 |
13 | 1351b446a |
14 | 9a8c90b3 |
15 | 604c1323 |
hex | 3d5252d5 |
1028805333 has 16 divisors (see below), whose sum is σ = 1410042816. Its totient is φ = 666834560.
The previous prime is 1028805319. The next prime is 1028805347. The reversal of 1028805333 is 3335088201.
It is an interprime number because it is at equal distance from previous prime (1028805319) and next prime (1028805347).
It is a cyclic number.
It is not a de Polignac number, because 1028805333 - 212 = 1028801237 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1028805294 and 1028805303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1028805353) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21766 + ... + 50312.
It is an arithmetic number, because the mean of its divisors is an integer number (88127676).
Almost surely, 21028805333 is an apocalyptic number.
It is an amenable number.
1028805333 is a deficient number, since it is larger than the sum of its proper divisors (381237483).
1028805333 is a wasteful number, since it uses less digits than its factorization.
1028805333 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28884.
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 1028805333 is about 32074.9954481680. The cubic root of 1028805333 is about 1009.5110311645.
The spelling of 1028805333 in words is "one billion, twenty-eight million, eight hundred five thousand, three hundred thirty-three".
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