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20041033 = 23478539
BaseRepresentation
bin100110001110…
…0110101001001
31101201012010111
41030130311021
520112303113
61553314321
7332226445
oct114346511
941635114
1020041033
1110349141
1268659a1
1341c8ccc
142939825
151b5d13d
hex131cd49

20041033 has 4 divisors (see below), whose sum is σ = 20051920. Its totient is φ = 20030148.

The previous prime is 20041031. The next prime is 20041037. The reversal of 20041033 is 33014002.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20041033 - 21 = 20041031 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20041031) 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, 1923 + ... + 6616.

It is an arithmetic number, because the mean of its divisors is an integer number (5012980).

Almost surely, 220041033 is an apocalyptic number.

It is an amenable number.

20041033 is a deficient number, since it is larger than the sum of its proper divisors (10887).

20041033 is an equidigital number, since it uses as much as digits as its factorization.

20041033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10886.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20041033 is about 4476.7212332242. The cubic root of 20041033 is about 271.6272693484.

Adding to 20041033 its reverse (33014002), we get a palindrome (53055035).

The spelling of 20041033 in words is "twenty million, forty-one thousand, thirty-three".

Divisors: 1 2347 8539 20041033