Base | Representation |
---|---|
bin | 100110010110… |
… | …1101100001001 |
3 | 1101211200212010 |
4 | 1030231230021 |
5 | 20122010324 |
6 | 1555010133 |
7 | 332634666 |
oct | 114555411 |
9 | 41750763 |
10 | 20110089 |
11 | 1039600a |
12 | 6899949 |
13 | 422157c |
14 | 2956a6d |
15 | 1b73829 |
hex | 132db09 |
20110089 has 4 divisors (see below), whose sum is σ = 26813456. Its totient is φ = 13406724.
The previous prime is 20110087. The next prime is 20110109. The reversal of 20110089 is 98001102.
20110089 is nontrivially palindromic in base 8.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 20110089 - 21 = 20110087 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20110087) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3351679 + ... + 3351684.
It is an arithmetic number, because the mean of its divisors is an integer number (6703364).
Almost surely, 220110089 is an apocalyptic number.
It is an amenable number.
20110089 is a deficient number, since it is larger than the sum of its proper divisors (6703367).
20110089 is an equidigital number, since it uses as much as digits as its factorization.
20110089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6703366.
The product of its (nonzero) digits is 144, while the sum is 21.
The square root of 20110089 is about 4484.4273881957. The cubic root of 20110089 is about 271.9388964892.
The spelling of 20110089 in words is "twenty million, one hundred ten thousand, eighty-nine".
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