Search a number
-
+
115533293 is a prime number
BaseRepresentation
bin1101110001011…
…10010111101101
322001101200212212
412320232113231
5214034031133
615244140205
72602005521
oct670562755
9261350785
10115533293
115a240967
1232837665
131ac21ac5
14114b5d81
15a222148
hex6e2e5ed

115533293 has 2 divisors, whose sum is σ = 115533294. Its totient is φ = 115533292.

The previous prime is 115533251. The next prime is 115533307. The reversal of 115533293 is 392335511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114982729 + 550564 = 10723^2 + 742^2 .

It is an emirp because it is prime and its reverse (392335511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115533293 - 214 = 115516909 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 (115535293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57766646 + 57766647.

It is an arithmetic number, because the mean of its divisors is an integer number (57766647).

Almost surely, 2115533293 is an apocalyptic number.

It is an amenable number.

115533293 is a deficient number, since it is larger than the sum of its proper divisors (1).

115533293 is an equidigital number, since it uses as much as digits as its factorization.

115533293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12150, while the sum is 32.

The square root of 115533293 is about 10748.6414490390. The cubic root of 115533293 is about 487.0449567567.

The spelling of 115533293 in words is "one hundred fifteen million, five hundred thirty-three thousand, two hundred ninety-three".