Base | Representation |
---|---|
bin | 10100001010001… |
… | …11110101101001 |
3 | 102210012221010222 |
4 | 22011013311221 |
5 | 321243134420 |
6 | 24440415425 |
7 | 4122311414 |
oct | 1205076551 |
9 | 383187128 |
10 | 169114985 |
11 | 87508656 |
12 | 48777575 |
13 | 29062550 |
14 | 18662b7b |
15 | eca8225 |
hex | a147d69 |
169114985 has 12 divisors (see below), whose sum is σ = 218684172. Its totient is φ = 124807488.
The previous prime is 169114969. The next prime is 169114987. The reversal of 169114985 is 589411961.
169114985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 6 ways, for example, as 3297856 + 165817129 = 1816^2 + 12877^2 .
It is not a de Polignac number, because 169114985 - 24 = 169114969 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (169114987) 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, 104039 + ... + 105651.
It is an arithmetic number, because the mean of its divisors is an integer number (18223681).
Almost surely, 2169114985 is an apocalyptic number.
It is an amenable number.
169114985 is a deficient number, since it is larger than the sum of its proper divisors (49569187).
169114985 is an frugal number, since it uses more digits than its factorization.
169114985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3244 (or 1631 counting only the distinct ones).
The product of its digits is 77760, while the sum is 44.
The square root of 169114985 is about 13004.4217480056. The cubic root of 169114985 is about 553.0028427184.
The spelling of 169114985 in words is "one hundred sixty-nine million, one hundred fourteen thousand, nine hundred eighty-five".
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