Base | Representation |
---|---|
bin | 1010001010101… |
… | …00111011010101 |
3 | 12221110210121202 |
4 | 11011110323111 |
5 | 133313020032 |
6 | 12243522245 |
7 | 2053614035 |
oct | 505247325 |
9 | 187423552 |
10 | 85282517 |
11 | 4415a021 |
12 | 24689385 |
13 | 1488c938 |
14 | b47d8c5 |
15 | 7748d62 |
hex | 5154ed5 |
85282517 has 2 divisors, whose sum is σ = 85282518. Its totient is φ = 85282516.
The previous prime is 85282513. The next prime is 85282541. The reversal of 85282517 is 71528258.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 54302161 + 30980356 = 7369^2 + 5566^2 .
It is a cyclic number.
It is not a de Polignac number, because 85282517 - 22 = 85282513 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (85282511) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42641258 + 42641259.
It is an arithmetic number, because the mean of its divisors is an integer number (42641259).
Almost surely, 285282517 is an apocalyptic number.
It is an amenable number.
85282517 is a deficient number, since it is larger than the sum of its proper divisors (1).
85282517 is an equidigital number, since it uses as much as digits as its factorization.
85282517 is an evil number, because the sum of its binary digits is even.
The product of its digits is 44800, while the sum is 38.
The square root of 85282517 is about 9234.8533827019. The cubic root of 85282517 is about 440.1695575851.
It can be divided in two parts, 8528251 and 7, that added together give a palindrome (8528258).
The spelling of 85282517 in words is "eighty-five million, two hundred eighty-two thousand, five hundred seventeen".
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