Base | Representation |
---|---|
bin | 1010001010011… |
… | …01010000001011 |
3 | 12221102012111112 |
4 | 11011031100023 |
5 | 133311013313 |
6 | 12243120535 |
7 | 2053423301 |
oct | 505152013 |
9 | 187365445 |
10 | 85251083 |
11 | 44138445 |
12 | 2467314b |
13 | 1487b538 |
14 | b472271 |
15 | 773e8a8 |
hex | 514d40b |
85251083 has 4 divisors (see below), whose sum is σ = 86859648. Its totient is φ = 83642520.
The previous prime is 85251059. The next prime is 85251121. The reversal of 85251083 is 38015258.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38015258 = 2 ⋅19007629.
It is a cyclic number.
It is not a de Polignac number, because 85251083 - 28 = 85250827 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (85251883) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804203 + ... + 804308.
It is an arithmetic number, because the mean of its divisors is an integer number (21714912).
Almost surely, 285251083 is an apocalyptic number.
85251083 is a deficient number, since it is larger than the sum of its proper divisors (1608565).
85251083 is a wasteful number, since it uses less digits than its factorization.
85251083 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1608564.
The product of its (nonzero) digits is 9600, while the sum is 32.
The square root of 85251083 is about 9233.1513038615. The cubic root of 85251083 is about 440.1154707270.
The spelling of 85251083 in words is "eighty-five million, two hundred fifty-one thousand, eighty-three".
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