Search a number
-
+
20869103 is a prime number
BaseRepresentation
bin100111110011…
…0111111101111
31110021021000202
41033212333233
520320302403
62023144115
7342245603
oct117467757
943237022
1020869103
11108642a2
126ba503b
134428ba8
142ab3503
151c73688
hex13e6fef

20869103 has 2 divisors, whose sum is σ = 20869104. Its totient is φ = 20869102.

The previous prime is 20869097. The next prime is 20869109. The reversal of 20869103 is 30196802.

It is a balanced prime because it is at equal distance from previous prime (20869097) and next prime (20869109).

It is a cyclic number.

It is not a de Polignac number, because 20869103 - 28 = 20868847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20869109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10434551 + 10434552.

It is an arithmetic number, because the mean of its divisors is an integer number (10434552).

Almost surely, 220869103 is an apocalyptic number.

20869103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20869103 is an equidigital number, since it uses as much as digits as its factorization.

20869103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 20869103 is about 4568.2713360745. The cubic root of 20869103 is about 275.3179924826.

The spelling of 20869103 in words is "twenty million, eight hundred sixty-nine thousand, one hundred three".