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20041006 = 217775639
BaseRepresentation
bin100110001110…
…0110100101110
31101201012002111
41030130310232
520112303011
61553314234
7332226406
oct114346456
941635074
1020041006
1110349117
12686597a
1341c8cab
142939806
151b5d121
hex131cd2e

20041006 has 8 divisors (see below), whose sum is σ = 30083760. Its totient is φ = 10013088.

The previous prime is 20041003. The next prime is 20041031. The reversal of 20041006 is 60014002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735 + ... + 6373.

It is an arithmetic number, because the mean of its divisors is an integer number (3760470).

Almost surely, 220041006 is an apocalyptic number.

20041006 is a deficient number, since it is larger than the sum of its proper divisors (10042754).

20041006 is a wasteful number, since it uses less digits than its factorization.

20041006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7418.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20041006 is about 4476.7182176233. The cubic root of 20041006 is about 271.6271473664.

Adding to 20041006 its reverse (60014002), we get a palindrome (80055008).

The spelling of 20041006 in words is "twenty million, forty-one thousand, six".

Divisors: 1 2 1777 3554 5639 11278 10020503 20041006