Base | Representation |
---|---|
bin | 100000010110001… |
… | …0111101001100001 |
3 | 2210122022122212221 |
4 | 1000230113221201 |
5 | 4210323414100 |
6 | 255411151041 |
7 | 35616342562 |
oct | 10054275141 |
9 | 2718278787 |
10 | 1085373025 |
11 | 507734900 |
12 | 2635a5481 |
13 | 143b2c079 |
14 | a4212169 |
15 | 6544701a |
hex | 40b17a61 |
1085373025 has 27 divisors (see below), whose sum is σ = 1481810323. Its totient is φ = 788044400.
The previous prime is 1085373017. The next prime is 1085373049. The reversal of 1085373025 is 5203735801.
The square root of 1085373025 is 32945.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 390734289 + 694638736 = 19767^2 + 26356^2 .
It is not a de Polignac number, because 1085373025 - 23 = 1085373017 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1811676 + ... + 1812274.
Almost surely, 21085373025 is an apocalyptic number.
1085373025 is the 32945-th square number.
1085373025 is the 16473-rd centered octagonal number.
It is an amenable number.
1085373025 is a deficient number, since it is larger than the sum of its proper divisors (396437298).
1085373025 is an frugal number, since it uses more digits than its factorization.
1085373025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1230 (or 615 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 34.
The cubic root of 1085373025 is about 1027.6841882044.
The spelling of 1085373025 in words is "one billion, eighty-five million, three hundred seventy-three thousand, twenty-five".
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