Search a number
-
+
115100242 = 285767153
BaseRepresentation
bin1101101110001…
…00101001010010
322000120200211221
412313010221102
5213431201432
615230555254
72565223135
oct667045122
9260520757
10115100242
1159a75574
1232668b2a
131aacc96a
141140221c
15a188b97
hex6dc4a52

115100242 has 8 divisors (see below), whose sum is σ = 172854396. Its totient is φ = 57482112.

The previous prime is 115100231. The next prime is 115100261. The reversal of 115100242 is 242001511.

It can be written as a sum of positive squares in 2 ways, for example, as 113614281 + 1485961 = 10659^2 + 1219^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 31863 + ... + 35290.

Almost surely, 2115100242 is an apocalyptic number.

115100242 is a deficient number, since it is larger than the sum of its proper divisors (57754154).

115100242 is an equidigital number, since it uses as much as digits as its factorization.

115100242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68012.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 115100242 is about 10728.4780840527. The cubic root of 115100242 is about 486.4356680880.

Adding to 115100242 its reverse (242001511), we get a palindrome (357101753).

The spelling of 115100242 in words is "one hundred fifteen million, one hundred thousand, two hundred forty-two".

Divisors: 1 2 857 1714 67153 134306 57550121 115100242