Search a number
-
+
104105149 is a prime number
BaseRepresentation
bin1100011010010…
…00010010111101
321020220002102021
412031020102331
5203122331044
614155200141
72402610361
oct615102275
9236802367
10104105149
1153845815
122aa46051
13187501a5
14db7d2a1
159215e84
hex63484bd

104105149 has 2 divisors, whose sum is σ = 104105150. Its totient is φ = 104105148.

The previous prime is 104105143. The next prime is 104105179. The reversal of 104105149 is 941501401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103327225 + 777924 = 10165^2 + 882^2 .

It is a cyclic number.

It is not a de Polignac number, because 104105149 - 211 = 104103101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104105143) 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 as a sum of consecutive naturals, namely, 52052574 + 52052575.

It is an arithmetic number, because the mean of its divisors is an integer number (52052575).

Almost surely, 2104105149 is an apocalyptic number.

It is an amenable number.

104105149 is a deficient number, since it is larger than the sum of its proper divisors (1).

104105149 is an equidigital number, since it uses as much as digits as its factorization.

104105149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 104105149 is about 10203.1930786396. The cubic root of 104105149 is about 470.4253716556.

The spelling of 104105149 in words is "one hundred four million, one hundred five thousand, one hundred forty-nine".