Base | Representation |
---|---|
bin | 1010001011011… |
… | …11100000000000 |
3 | 12221200022220222 |
4 | 11011233200000 |
5 | 133330010420 |
6 | 12250122212 |
7 | 2054546255 |
oct | 505574000 |
9 | 187608828 |
10 | 85391360 |
11 | 4422387a |
12 | 24720368 |
13 | 148ca342 |
14 | b4ab42c |
15 | 776b225 |
hex | 516f800 |
85391360 has 96 divisors (see below), whose sum is σ = 212284800. Its totient is φ = 32931840.
The previous prime is 85391333. The next prime is 85391431. The reversal of 85391360 is 6319358.
It is a self number, because there is not a number n which added to its sum of digits gives 85391360.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317306 + ... + 317574.
It is an arithmetic number, because the mean of its divisors is an integer number (2211300).
Almost surely, 285391360 is an apocalyptic number.
85391360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 85391360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106142400).
85391360 is an abundant number, since it is smaller than the sum of its proper divisors (126893440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85391360 is a wasteful number, since it uses less digits than its factorization.
85391360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 327 (or 307 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 35.
The square root of 85391360 is about 9240.7445587463. The cubic root of 85391360 is about 440.3567354875.
The spelling of 85391360 in words is "eighty-five million, three hundred ninety-one thousand, three hundred sixty".
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