Base | Representation |
---|---|
bin | 1001000001000… |
… | …00010111011001 |
3 | 12021022101220122 |
4 | 10200200113121 |
5 | 123330130131 |
6 | 11301003025 |
7 | 1605562514 |
oct | 440402731 |
9 | 167271818 |
10 | 75630041 |
11 | 39766a73 |
12 | 213b3475 |
13 | 12890306 |
14 | a089d7b |
15 | 698dd7b |
hex | 48205d9 |
75630041 has 2 divisors, whose sum is σ = 75630042. Its totient is φ = 75630040.
The previous prime is 75630007. The next prime is 75630043. The reversal of 75630041 is 14003657.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 49056016 + 26574025 = 7004^2 + 5155^2 .
It is an emirp because it is prime and its reverse (14003657) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 75630041 - 222 = 71435737 is a prime.
Together with 75630043, it forms a pair of twin primes.
It is a Chen prime.
It is equal to p4429106 and since 75630041 and 4429106 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (75630043) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37815020 + 37815021.
It is an arithmetic number, because the mean of its divisors is an integer number (37815021).
Almost surely, 275630041 is an apocalyptic number.
It is an amenable number.
75630041 is a deficient number, since it is larger than the sum of its proper divisors (1).
75630041 is an equidigital number, since it uses as much as digits as its factorization.
75630041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2520, while the sum is 26.
The square root of 75630041 is about 8696.5533977548. The cubic root of 75630041 is about 422.8939238883.
Adding to 75630041 its reverse (14003657), we get a palindrome (89633698).
The spelling of 75630041 in words is "seventy-five million, six hundred thirty thousand, forty-one".
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