Base | Representation |
---|---|
bin | 1000111110000… |
… | …01111000100001 |
3 | 12020120202001022 |
4 | 10133001320201 |
5 | 123230234131 |
6 | 11244415225 |
7 | 1602361316 |
oct | 437017041 |
9 | 166522038 |
10 | 75243041 |
11 | 39522235 |
12 | 21247515 |
13 | 12786113 |
14 | 9dc8d0d |
15 | 691437b |
hex | 47c1e21 |
75243041 has 2 divisors, whose sum is σ = 75243042. Its totient is φ = 75243040.
The previous prime is 75243017. The next prime is 75243043. The reversal of 75243041 is 14034257.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 68973025 + 6270016 = 8305^2 + 2504^2 .
It is a cyclic number.
It is not a de Polignac number, because 75243041 - 26 = 75242977 is a prime.
Together with 75243043, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 75243041.
It is not a weakly prime, because it can be changed into another prime (75243043) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37621520 + 37621521.
It is an arithmetic number, because the mean of its divisors is an integer number (37621521).
Almost surely, 275243041 is an apocalyptic number.
It is an amenable number.
75243041 is a deficient number, since it is larger than the sum of its proper divisors (1).
75243041 is an equidigital number, since it uses as much as digits as its factorization.
75243041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3360, while the sum is 26.
The square root of 75243041 is about 8674.2746670831. The cubic root of 75243041 is about 422.1713719642.
Adding to 75243041 its reverse (14034257), we get a palindrome (89277298).
The spelling of 75243041 in words is "seventy-five million, two hundred forty-three thousand, forty-one".
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