Base | Representation |
---|---|
bin | 1010001001011… |
… | …00000100100000 |
3 | 12221011022001122 |
4 | 11010230010200 |
5 | 133242141133 |
6 | 12240151412 |
7 | 2052316115 |
oct | 504540440 |
9 | 187138048 |
10 | 85115168 |
11 | 44055316 |
12 | 24608568 |
13 | 14831708 |
14 | b43890c |
15 | 7714498 |
hex | 512c120 |
85115168 has 12 divisors (see below), whose sum is σ = 167570550. Its totient is φ = 42557568.
The previous prime is 85115161. The next prime is 85115171. The reversal of 85115168 is 86151158.
It can be written as a sum of positive squares in only one way, i.e., 77651344 + 7463824 = 8812^2 + 2732^2 .
It is not an unprimeable number, because it can be changed into a prime (85115161) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1329893 + ... + 1329956.
Almost surely, 285115168 is an apocalyptic number.
It is an amenable number.
85115168 is a deficient number, since it is larger than the sum of its proper divisors (82455382).
85115168 is a wasteful number, since it uses less digits than its factorization.
85115168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2659859 (or 2659851 counting only the distinct ones).
The product of its digits is 9600, while the sum is 35.
The square root of 85115168 is about 9225.7882048094. The cubic root of 85115168 is about 439.8814556681.
The spelling of 85115168 in words is "eighty-five million, one hundred fifteen thousand, one hundred sixty-eight".
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