Base | Representation |
---|---|
bin | 1010001010010… |
… | …11101101000110 |
3 | 12221101212210200 |
4 | 11011023231012 |
5 | 133310312432 |
6 | 12243031330 |
7 | 2053365642 |
oct | 505135506 |
9 | 187355720 |
10 | 85244742 |
11 | 44133700 |
12 | 2466b546 |
13 | 1487869b |
14 | b46dc22 |
15 | 773ca7c |
hex | 514bb46 |
85244742 has 36 divisors (see below), whose sum is σ = 203019180. Its totient is φ = 25831080.
The previous prime is 85244741. The next prime is 85244767. The reversal of 85244742 is 24744258.
It is a junction number, because it is equal to n+sod(n) for n = 85244697 and 85244706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85244741) 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 17 ways as a sum of consecutive naturals, for example, 17392 + ... + 21747.
Almost surely, 285244742 is an apocalyptic number.
85244742 is an abundant number, since it is smaller than the sum of its proper divisors (117774438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85244742 is a wasteful number, since it uses less digits than its factorization.
85244742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39169 (or 39155 counting only the distinct ones).
The product of its digits is 71680, while the sum is 36.
The square root of 85244742 is about 9232.8079152553. The cubic root of 85244742 is about 440.1045584848.
The spelling of 85244742 in words is "eighty-five million, two hundred forty-four thousand, seven hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •