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20110089 = 36703363
BaseRepresentation
bin100110010110…
…1101100001001
31101211200212010
41030231230021
520122010324
61555010133
7332634666
oct114555411
941750763
1020110089
111039600a
126899949
13422157c
142956a6d
151b73829
hex132db09

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".

Divisors: 1 3 6703363 20110089