Search a number
-
+
115805933 = 709163337
BaseRepresentation
bin1101110011100…
…00111011101101
322001220112212122
412321300323231
5214121242213
615254042325
72604222425
oct671607355
9261815778
10115805933
115a407791
12329493a5
131acb8c29
1411547485
15a277d08
hex6e70eed

115805933 has 4 divisors (see below), whose sum is σ = 115969980. Its totient is φ = 115641888.

The previous prime is 115805927. The next prime is 115805939. The reversal of 115805933 is 339508511.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (115805927) and next prime (115805939).

It can be written as a sum of positive squares in 2 ways, for example, as 76090729 + 39715204 = 8723^2 + 6302^2 .

It is a cyclic number.

It is not a de Polignac number, because 115805933 - 214 = 115789549 is a prime.

It is a super-2 number, since 2×1158059332 = 26822028236000978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115805893 and 115805902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115805939) 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 in 3 ways as a sum of consecutive naturals, for example, 80960 + ... + 82377.

It is an arithmetic number, because the mean of its divisors is an integer number (28992495).

Almost surely, 2115805933 is an apocalyptic number.

It is an amenable number.

115805933 is a deficient number, since it is larger than the sum of its proper divisors (164047).

115805933 is an equidigital number, since it uses as much as digits as its factorization.

115805933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164046.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 115805933 is about 10761.3165086805. The cubic root of 115805933 is about 487.4277717230.

The spelling of 115805933 in words is "one hundred fifteen million, eight hundred five thousand, nine hundred thirty-three".

Divisors: 1 709 163337 115805933