Base | Representation |
---|---|
bin | 1000111101001… |
… | …10110101010001 |
3 | 12020101010001121 |
4 | 10132212311101 |
5 | 123213212431 |
6 | 11242202241 |
7 | 1601420302 |
oct | 436466521 |
9 | 166333047 |
10 | 75132241 |
11 | 39456a68 |
12 | 211b3381 |
13 | 12747862 |
14 | 9d9a7a9 |
15 | 68e1611 |
hex | 47a6d51 |
75132241 has 2 divisors, whose sum is σ = 75132242. Its totient is φ = 75132240.
The previous prime is 75132229. The next prime is 75132319. The reversal of 75132241 is 14223157.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 69372241 + 5760000 = 8329^2 + 2400^2 .
It is a cyclic number.
It is not a de Polignac number, because 75132241 - 25 = 75132209 is a prime.
It is not a weakly prime, because it can be changed into another prime (75132041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37566120 + 37566121.
It is an arithmetic number, because the mean of its divisors is an integer number (37566121).
Almost surely, 275132241 is an apocalyptic number.
It is an amenable number.
75132241 is a deficient number, since it is larger than the sum of its proper divisors (1).
75132241 is an equidigital number, since it uses as much as digits as its factorization.
75132241 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1680, while the sum is 25.
The square root of 75132241 is about 8667.8856129970. The cubic root of 75132241 is about 421.9640457377.
Adding to 75132241 its reverse (14223157), we get a palindrome (89355398).
The spelling of 75132241 in words is "seventy-five million, one hundred thirty-two thousand, two hundred forty-one".
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