Base | Representation |
---|---|
bin | 1000111110101… |
… | …00110000010101 |
3 | 12020201200002021 |
4 | 10133110300111 |
5 | 123240222331 |
6 | 11250213141 |
7 | 1603132555 |
oct | 437246025 |
9 | 166650067 |
10 | 75320341 |
11 | 39575318 |
12 | 212841b1 |
13 | 127b2365 |
14 | a009165 |
15 | 692c211 |
hex | 47d4c15 |
75320341 has 4 divisors (see below), whose sum is σ = 75340384. Its totient is φ = 75300300.
The previous prime is 75320339. The next prime is 75320363. The reversal of 75320341 is 14302357.
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: 14302357 = 367 ⋅38971.
It is a 3-Lehmer number, since φ(75320341) divides (75320341-1)3.
It is a cyclic number.
It is not a de Polignac number, because 75320341 - 21 = 75320339 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 (75320041) 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, 2505 + ... + 12526.
It is an arithmetic number, because the mean of its divisors is an integer number (18835096).
Almost surely, 275320341 is an apocalyptic number.
75320341 is the 5011-st octagonal number.
It is an amenable number.
75320341 is a deficient number, since it is larger than the sum of its proper divisors (20043).
75320341 is a wasteful number, since it uses less digits than its factorization.
75320341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20042.
The product of its (nonzero) digits is 2520, while the sum is 25.
The square root of 75320341 is about 8678.7292272544. The cubic root of 75320341 is about 422.3158933165.
Adding to 75320341 its reverse (14302357), we get a palindrome (89622698).
The spelling of 75320341 in words is "seventy-five million, three hundred twenty thousand, three hundred forty-one".
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