Base | Representation |
---|---|
bin | 1010101010010… |
… | …11101101111101 |
3 | 20020021222101022 |
4 | 11111023231331 |
5 | 140344022401 |
6 | 12512553525 |
7 | 2134135253 |
oct | 525135575 |
9 | 206258338 |
10 | 89439101 |
11 | 46538a14 |
12 | 25b528a5 |
13 | 156b685b |
14 | bc425d3 |
15 | 7cba71b |
hex | 554bb7d |
89439101 has 4 divisors (see below), whose sum is σ = 91856412. Its totient is φ = 87021792.
The previous prime is 89439083. The next prime is 89439107. The reversal of 89439101 is 10193498.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 55204900 + 34234201 = 7430^2 + 5851^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-89439101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89439107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208600 + ... + 1208673.
It is an arithmetic number, because the mean of its divisors is an integer number (22964103).
Almost surely, 289439101 is an apocalyptic number.
It is an amenable number.
89439101 is a deficient number, since it is larger than the sum of its proper divisors (2417311).
89439101 is a wasteful number, since it uses less digits than its factorization.
89439101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2417310.
The product of its (nonzero) digits is 7776, while the sum is 35.
The square root of 89439101 is about 9457.2248043493. The cubic root of 89439101 is about 447.2075652520.
The spelling of 89439101 in words is "eighty-nine million, four hundred thirty-nine thousand, one hundred one".
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