Search a number
-
+
115540283 = 611894103
BaseRepresentation
bin1101110001100…
…00000100111011
322001102001110202
412320300010323
5214034242113
615244232415
72602035065
oct670600473
9261361422
10115540283
115a246141
123283b70b
131ac25041
14114b8735
15a224258
hex6e3013b

115540283 has 4 divisors (see below), whose sum is σ = 117434448. Its totient is φ = 113646120.

The previous prime is 115540267. The next prime is 115540291. The reversal of 115540283 is 382045511.

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

It is a cyclic number.

It is not a de Polignac number, because 115540283 - 24 = 115540267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115540213) 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 in 3 ways as a sum of consecutive naturals, for example, 946991 + ... + 947112.

It is an arithmetic number, because the mean of its divisors is an integer number (29358612).

Almost surely, 2115540283 is an apocalyptic number.

115540283 is a deficient number, since it is larger than the sum of its proper divisors (1894165).

115540283 is an equidigital number, since it uses as much as digits as its factorization.

115540283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894164.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 115540283 is about 10748.9666014924. The cubic root of 115540283 is about 487.0547789632.

Adding to 115540283 its reverse (382045511), we get a palindrome (497585794).

The spelling of 115540283 in words is "one hundred fifteen million, five hundred forty thousand, two hundred eighty-three".

Divisors: 1 61 1894103 115540283