Base | Representation |
---|---|
bin | 1010001000100… |
… | …01101110100111 |
3 | 12220221211001110 |
4 | 11010101232213 |
5 | 133230213041 |
6 | 12234000103 |
7 | 2051356416 |
oct | 504215647 |
9 | 186854043 |
10 | 85007271 |
11 | 43a91248 |
12 | 24576033 |
13 | 147c457b |
14 | b40b47d |
15 | 76e2516 |
hex | 5111ba7 |
85007271 has 8 divisors (see below), whose sum is σ = 114039040. Its totient is φ = 56323512.
The previous prime is 85007269. The next prime is 85007291. The reversal of 85007271 is 17270058.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 85007271 - 21 = 85007269 is a prime.
It is a super-2 number, since 2×850072712 = 14452472245734882, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85007261) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 86431 + ... + 87408.
It is an arithmetic number, because the mean of its divisors is an integer number (14254880).
Almost surely, 285007271 is an apocalyptic number.
85007271 is a deficient number, since it is larger than the sum of its proper divisors (29031769).
85007271 is a wasteful number, since it uses less digits than its factorization.
85007271 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 174005.
The product of its (nonzero) digits is 3920, while the sum is 30.
The square root of 85007271 is about 9219.9387742002. The cubic root of 85007271 is about 439.6955038578.
The spelling of 85007271 in words is "eighty-five million, seven thousand, two hundred seventy-one".
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