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20050041 = 3113716421
BaseRepresentation
bin100110001111…
…1000001111001
31101201122111010
41030133001321
520113100131
61553424133
7332264634
oct114370171
941648433
1020050041
1110354990
12686b049
13420013b
14293cc1b
151b60b46
hex131f079

20050041 has 16 divisors (see below), whose sum is σ = 29953728. Its totient is φ = 11822400.

The previous prime is 20050039. The next prime is 20050057. The reversal of 20050041 is 14005002.

It is not a de Polignac number, because 20050041 - 21 = 20050039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20049999 and 20050026.

It is not an unprimeable number, because it can be changed into a prime (20050031) 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 15 ways as a sum of consecutive naturals, for example, 6990 + ... + 9431.

It is an arithmetic number, because the mean of its divisors is an integer number (1872108).

Almost surely, 220050041 is an apocalyptic number.

It is an amenable number.

20050041 is a deficient number, since it is larger than the sum of its proper divisors (9903687).

20050041 is a wasteful number, since it uses less digits than its factorization.

20050041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16472.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 20050041 is about 4477.7272136654. The cubic root of 20050041 is about 271.6679600643.

Adding to 20050041 its reverse (14005002), we get a palindrome (34055043).

The spelling of 20050041 in words is "twenty million, fifty thousand, forty-one".

Divisors: 1 3 11 33 37 111 407 1221 16421 49263 180631 541893 607577 1822731 6683347 20050041