Base | Representation |
---|---|
bin | 1010001100100… |
… | …00101010001100 |
3 | 12221221020020100 |
4 | 11012100222030 |
5 | 133343332210 |
6 | 12253051100 |
7 | 2055653244 |
oct | 506205214 |
9 | 187836210 |
10 | 85527180 |
11 | 44306922 |
12 | 24786a90 |
13 | 149470cb |
14 | b504b24 |
15 | 77965c0 |
hex | 5190a8c |
85527180 has 36 divisors (see below), whose sum is σ = 259432992. Its totient is φ = 22807200.
The previous prime is 85527161. The next prime is 85527181. The reversal of 85527180 is 8172558.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (85527181) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237396 + ... + 237755.
It is an arithmetic number, because the mean of its divisors is an integer number (7206472).
Almost surely, 285527180 is an apocalyptic number.
It is an amenable number.
85527180 is an abundant number, since it is smaller than the sum of its proper divisors (173905812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85527180 is a wasteful number, since it uses less digits than its factorization.
85527180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 475166 (or 475161 counting only the distinct ones).
The product of its (nonzero) digits is 22400, while the sum is 36.
The square root of 85527180 is about 9248.0906137429. The cubic root of 85527180 is about 440.5900829431.
The spelling of 85527180 in words is "eighty-five million, five hundred twenty-seven thousand, one hundred eighty".
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