Base | Representation |
---|---|
bin | 1010001010011… |
… | …00100010010011 |
3 | 12221102001110210 |
4 | 11011030202103 |
5 | 133310420042 |
6 | 12243055203 |
7 | 2053411605 |
oct | 505144223 |
9 | 187361423 |
10 | 85248147 |
11 | 44136216 |
12 | 24671503 |
13 | 1487a0ba |
14 | b471175 |
15 | 773da9c |
hex | 514c893 |
85248147 has 4 divisors (see below), whose sum is σ = 113664200. Its totient is φ = 56832096.
The previous prime is 85248131. The next prime is 85248151. The reversal of 85248147 is 74184258.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 85248147 - 24 = 85248131 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (85248127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14208022 + ... + 14208027.
It is an arithmetic number, because the mean of its divisors is an integer number (28416050).
Almost surely, 285248147 is an apocalyptic number.
85248147 is a deficient number, since it is larger than the sum of its proper divisors (28416053).
85248147 is a wasteful number, since it uses less digits than its factorization.
85248147 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28416052.
The product of its digits is 71680, while the sum is 39.
The square root of 85248147 is about 9232.9923101885. The cubic root of 85248147 is about 440.1104182248.
The spelling of 85248147 in words is "eighty-five million, two hundred forty-eight thousand, one hundred forty-seven".
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