Base | Representation |
---|---|
bin | 1010001011111… |
… | …01011001100101 |
3 | 12221210020000121 |
4 | 11011331121211 |
5 | 133333321133 |
6 | 12251241541 |
7 | 2055204250 |
oct | 505753145 |
9 | 187706017 |
10 | 85448293 |
11 | 44262627 |
12 | 247492b1 |
13 | 1491a228 |
14 | b4c4097 |
15 | 777d02d |
hex | 517d665 |
85448293 has 4 divisors (see below), whose sum is σ = 97655200. Its totient is φ = 73241388.
The previous prime is 85448269. The next prime is 85448299. The reversal of 85448293 is 39284458.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 85448293 - 29 = 85447781 is a prime.
It is a super-2 number, since 2×854482932 = 14602821553227698, 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 (85448299) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6103443 + ... + 6103456.
It is an arithmetic number, because the mean of its divisors is an integer number (24413800).
Almost surely, 285448293 is an apocalyptic number.
It is an amenable number.
85448293 is a deficient number, since it is larger than the sum of its proper divisors (12206907).
85448293 is a wasteful number, since it uses less digits than its factorization.
85448293 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12206906.
The product of its digits is 276480, while the sum is 43.
The square root of 85448293 is about 9243.8245872582. The cubic root of 85448293 is about 440.4545801260.
The spelling of 85448293 in words is "eighty-five million, four hundred forty-eight thousand, two hundred ninety-three".
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