Base | Representation |
---|---|
bin | 1010001011010… |
… | …00000101101000 |
3 | 12221121210021112 |
4 | 11011220011220 |
5 | 133323023000 |
6 | 12245325452 |
7 | 2054361614 |
oct | 505500550 |
9 | 187553245 |
10 | 85361000 |
11 | 44202a8a |
12 | 24706888 |
13 | 148b958a |
14 | b4a0344 |
15 | 7762235 |
hex | 5168168 |
85361000 has 32 divisors (see below), whose sum is σ = 199747080. Its totient is φ = 34144000.
The previous prime is 85360999. The next prime is 85361009. The reversal of 85361000 is 16358.
It can be written as a sum of positive squares in 4 ways, for example, as 34409956 + 50951044 = 5866^2 + 7138^2 .
It is not an unprimeable number, because it can be changed into a prime (85361009) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41681 + ... + 43680.
Almost surely, 285361000 is an apocalyptic number.
It is an amenable number.
85361000 is an abundant number, since it is smaller than the sum of its proper divisors (114386080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85361000 is a wasteful number, since it uses less digits than its factorization.
85361000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85382 (or 85368 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 85361000 is about 9239.1016879348. The cubic root of 85361000 is about 440.3045412326.
Adding to 85361000 its reverse (16358), we get a palindrome (85377358).
The spelling of 85361000 in words is "eighty-five million, three hundred sixty-one thousand".
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