Base | Representation |
---|---|
bin | 11100100001001… |
… | …11001111110101 |
3 | 121200011110012202 |
4 | 32100213033311 |
5 | 442221023320 |
6 | 35423354245 |
7 | 5633321204 |
oct | 1620471765 |
9 | 550143182 |
10 | 239236085 |
11 | 113051680 |
12 | 68152985 |
13 | 3a74421a |
14 | 23ab723b |
15 | 16009b75 |
hex | e4273f5 |
239236085 has 16 divisors (see below), whose sum is σ = 313500672. Its totient is φ = 173812800.
The previous prime is 239236073. The next prime is 239236093. The reversal of 239236085 is 580632932.
It is not a de Polignac number, because 239236085 - 218 = 238973941 is a prime.
It is a super-2 number, since 2×2392360852 = 114467808732254450, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79427 + ... + 82383.
It is an arithmetic number, because the mean of its divisors is an integer number (19593792).
Almost surely, 2239236085 is an apocalyptic number.
It is an amenable number.
239236085 is a deficient number, since it is larger than the sum of its proper divisors (74264587).
239236085 is a wasteful number, since it uses less digits than its factorization.
239236085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4444.
The product of its (nonzero) digits is 77760, while the sum is 38.
The square root of 239236085 is about 15467.2584836486. The cubic root of 239236085 is about 620.7864499627.
The spelling of 239236085 in words is "two hundred thirty-nine million, two hundred thirty-six thousand, eighty-five".
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