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115104505 = 523020901
BaseRepresentation
bin1101101110001…
…01101011111001
322000120220200211
412313011223321
5213431321010
615231031121
72565241435
oct667055371
9260526624
10115104505
1159a7879a
123266b4a1
131ab01899
14114039c5
15a18a08a
hex6dc5af9

115104505 has 4 divisors (see below), whose sum is σ = 138125412. Its totient is φ = 92083600.

The previous prime is 115104503. The next prime is 115104511. The reversal of 115104505 is 505401511.

It is a happy number.

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 78004224 + 37100281 = 8832^2 + 6091^2 .

It is not a de Polignac number, because 115104505 - 21 = 115104503 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115104503) 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, 11510446 + ... + 11510455.

It is an arithmetic number, because the mean of its divisors is an integer number (34531353).

Almost surely, 2115104505 is an apocalyptic number.

It is an amenable number.

115104505 is a deficient number, since it is larger than the sum of its proper divisors (23020907).

115104505 is an equidigital number, since it uses as much as digits as its factorization.

115104505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23020906.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 115104505 is about 10728.6767590416. The cubic root of 115104505 is about 486.4416734321.

The spelling of 115104505 in words is "one hundred fifteen million, one hundred four thousand, five hundred five".

Divisors: 1 5 23020901 115104505