Search a number
-
+
115080389 is a prime number
BaseRepresentation
bin1101101101111…
…11110011000101
322000112200121122
412312333303011
5213430033024
615230323325
72565111224
oct666776305
9260480548
10115080389
1159a61666
1232659545
131aac3908
14113d8cbb
15a182d5e
hex6dbfcc5

115080389 has 2 divisors, whose sum is σ = 115080390. Its totient is φ = 115080388.

The previous prime is 115080379. The next prime is 115080461. The reversal of 115080389 is 983080511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84088900 + 30991489 = 9170^2 + 5567^2 .

It is a cyclic number.

It is not a de Polignac number, because 115080389 - 24 = 115080373 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115080379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57540194 + 57540195.

It is an arithmetic number, because the mean of its divisors is an integer number (57540195).

Almost surely, 2115080389 is an apocalyptic number.

It is an amenable number.

115080389 is a deficient number, since it is larger than the sum of its proper divisors (1).

115080389 is an equidigital number, since it uses as much as digits as its factorization.

115080389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 115080389 is about 10727.5527964210. The cubic root of 115080389 is about 486.4076989531.

The spelling of 115080389 in words is "one hundred fifteen million, eighty thousand, three hundred eighty-nine".