Base | Representation |
---|---|
bin | 1000111111000… |
… | …00101011001001 |
3 | 12020211011001102 |
4 | 10133200223021 |
5 | 123243303121 |
6 | 11251231145 |
7 | 1603425110 |
oct | 437405311 |
9 | 166734042 |
10 | 75369161 |
11 | 395a8a6a |
12 | 212a84b5 |
13 | 127cb64a |
14 | a01cc77 |
15 | 693b90b |
hex | 47e0ac9 |
75369161 has 4 divisors (see below), whose sum is σ = 86136192. Its totient is φ = 64602132.
The previous prime is 75369149. The next prime is 75369163. The reversal of 75369161 is 16196357.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16196357 = 1973 ⋅8209.
It is not a de Polignac number, because 75369161 - 214 = 75352777 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (75369163) 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, 5383505 + ... + 5383518.
It is an arithmetic number, because the mean of its divisors is an integer number (21534048).
Almost surely, 275369161 is an apocalyptic number.
It is an amenable number.
75369161 is a deficient number, since it is larger than the sum of its proper divisors (10767031).
75369161 is a wasteful number, since it uses less digits than its factorization.
75369161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10767030.
The product of its digits is 34020, while the sum is 38.
The square root of 75369161 is about 8681.5413953975. The cubic root of 75369161 is about 422.4071170538.
The spelling of 75369161 in words is "seventy-five million, three hundred sixty-nine thousand, one hundred sixty-one".
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