Base | Representation |
---|---|
bin | 1010001011110… |
… | …00000100001001 |
3 | 12221202010001021 |
4 | 11011320010021 |
5 | 133332121231 |
6 | 12250552441 |
7 | 2055053452 |
oct | 505700411 |
9 | 187663037 |
10 | 85426441 |
11 | 44248171 |
12 | 24738721 |
13 | 149102b9 |
14 | b4ba129 |
15 | 7776811 |
hex | 5178109 |
85426441 has 2 divisors, whose sum is σ = 85426442. Its totient is φ = 85426440.
The previous prime is 85426427. The next prime is 85426457. The reversal of 85426441 is 14462458.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 85377600 + 48841 = 9240^2 + 221^2 .
It is a cyclic number.
It is not a de Polignac number, because 85426441 - 215 = 85393673 is a prime.
It is equal to p4967080 and since 85426441 and 4967080 have the same sum of digits, it is a Honaker prime.
It is a junction number, because it is equal to n+sod(n) for n = 85426397 and 85426406.
It is not a weakly prime, because it can be changed into another prime (85420441) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42713220 + 42713221.
It is an arithmetic number, because the mean of its divisors is an integer number (42713221).
Almost surely, 285426441 is an apocalyptic number.
It is an amenable number.
85426441 is a deficient number, since it is larger than the sum of its proper divisors (1).
85426441 is an equidigital number, since it uses as much as digits as its factorization.
85426441 is an evil number, because the sum of its binary digits is even.
The product of its digits is 30720, while the sum is 34.
The square root of 85426441 is about 9242.6425333884. The cubic root of 85426441 is about 440.4170305791.
Adding to 85426441 its reverse (14462458), we get a palindrome (99888899).
The spelling of 85426441 in words is "eighty-five million, four hundred twenty-six thousand, four hundred forty-one".
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