Search a number
-
+
109107389 is a prime number
BaseRepresentation
bin1101000000011…
…01100010111101
321121022020012102
412200031202331
5210412414024
614454314445
72463253226
oct640154275
9247266172
10109107389
1156651aa6
1230658a25
13197b1cb1
14106c224d
1598a31ae
hex680d8bd

109107389 has 2 divisors, whose sum is σ = 109107390. Its totient is φ = 109107388.

The previous prime is 109107359. The next prime is 109107407. The reversal of 109107389 is 983701901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100841764 + 8265625 = 10042^2 + 2875^2 .

It is a cyclic number.

It is not a de Polignac number, because 109107389 - 220 = 108058813 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109107359) 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, 54553694 + 54553695.

It is an arithmetic number, because the mean of its divisors is an integer number (54553695).

Almost surely, 2109107389 is an apocalyptic number.

It is an amenable number.

109107389 is a deficient number, since it is larger than the sum of its proper divisors (1).

109107389 is an equidigital number, since it uses as much as digits as its factorization.

109107389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 109107389 is about 10445.4482431344. The cubic root of 109107389 is about 477.8424417836.

The spelling of 109107389 in words is "one hundred nine million, one hundred seven thousand, three hundred eighty-nine".