Search a number
-
+
115463861 = 229504209
BaseRepresentation
bin1101110000111…
…01011010110101
322001021011122022
412320131122311
5214024320421
615242442525
72601266222
oct670353265
9261234568
10115463861
115a1a3787
1232803445
131abc9316
1411498949
15a20b7ab
hex6e1d6b5

115463861 has 4 divisors (see below), whose sum is σ = 115968300. Its totient is φ = 114959424.

The previous prime is 115463851. The next prime is 115463879. The reversal of 115463861 is 168364511.

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

It can be written as a sum of positive squares in 2 ways, for example, as 107019025 + 8444836 = 10345^2 + 2906^2 .

It is a cyclic number.

It is not a de Polignac number, because 115463861 - 26 = 115463797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115463851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251876 + ... + 252333.

It is an arithmetic number, because the mean of its divisors is an integer number (28992075).

Almost surely, 2115463861 is an apocalyptic number.

It is an amenable number.

115463861 is a deficient number, since it is larger than the sum of its proper divisors (504439).

115463861 is an equidigital number, since it uses as much as digits as its factorization.

115463861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504438.

The product of its digits is 17280, while the sum is 35.

The square root of 115463861 is about 10745.4111601185. The cubic root of 115463861 is about 486.9473707967.

The spelling of 115463861 in words is "one hundred fifteen million, four hundred sixty-three thousand, eight hundred sixty-one".

Divisors: 1 229 504209 115463861