Base | Representation |
---|---|
bin | 111101010011100… |
… | …000100101100001 |
3 | 2122200100110012202 |
4 | 331103200211201 |
5 | 4101300240020 |
6 | 250020502545 |
7 | 34326212240 |
oct | 7523404541 |
9 | 2580313182 |
10 | 1028524385 |
11 | 488636659 |
12 | 24854aa55 |
13 | 135116615 |
14 | 9a854957 |
15 | 60467e75 |
hex | 3d4e0961 |
1028524385 has 16 divisors (see below), whose sum is σ = 1413826176. Its totient is φ = 703634688.
The previous prime is 1028524381. The next prime is 1028524423. The reversal of 1028524385 is 5834258201.
It is a cyclic number.
It is not a de Polignac number, because 1028524385 - 22 = 1028524381 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1028524381) 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, 18779 + ... + 49088.
It is an arithmetic number, because the mean of its divisors is an integer number (88364136).
Almost surely, 21028524385 is an apocalyptic number.
It is an amenable number.
1028524385 is a deficient number, since it is larger than the sum of its proper divisors (385301791).
1028524385 is an equidigital number, since it uses as much as digits as its factorization.
1028524385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68312.
The product of its (nonzero) digits is 76800, while the sum is 38.
The square root of 1028524385 is about 32070.6156005774. The cubic root of 1028524385 is about 1009.4191297726.
The spelling of 1028524385 in words is "one billion, twenty-eight million, five hundred twenty-four thousand, three hundred eighty-five".
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