Base | Representation |
---|---|
bin | 1010001100010… |
… | …00011111010110 |
3 | 12221212112100000 |
4 | 11012020133112 |
5 | 133341244333 |
6 | 12252232130 |
7 | 2055453552 |
oct | 506103726 |
9 | 187775300 |
10 | 85493718 |
11 | 44293772 |
12 | 2476b646 |
13 | 14934acb |
14 | b4d6862 |
15 | 778b713 |
hex | 51887d6 |
85493718 has 48 divisors (see below), whose sum is σ = 196612416. Its totient is φ = 27828360.
The previous prime is 85493713. The next prime is 85493719. The reversal of 85493718 is 81739458.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85493713) 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 23 ways as a sum of consecutive naturals, for example, 18853 + ... + 22943.
It is an arithmetic number, because the mean of its divisors is an integer number (4096092).
Almost surely, 285493718 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 85493718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98306208).
85493718 is an abundant number, since it is smaller than the sum of its proper divisors (111118698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85493718 is a wasteful number, since it uses less digits than its factorization.
85493718 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4151 (or 4139 counting only the distinct ones).
The product of its digits is 241920, while the sum is 45.
The square root of 85493718 is about 9246.2813065578. The cubic root of 85493718 is about 440.5326160322.
The spelling of 85493718 in words is "eighty-five million, four hundred ninety-three thousand, seven hundred eighteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •