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75087241 is a prime number
BaseRepresentation
bin1000111100110…
…11110110001001
312020021211022221
410132123312021
5123210242431
611241214041
71601142145
oct436336611
9166254287
1075087241
1139426179
1221191321
1312730228
149d88225
1568d3111
hex479bd89

75087241 has 2 divisors, whose sum is σ = 75087242. Its totient is φ = 75087240.

The previous prime is 75087227. The next prime is 75087251. The reversal of 75087241 is 14278057.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53231616 + 21855625 = 7296^2 + 4675^2 .

It is an emirp because it is prime and its reverse (14278057) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75087241 - 213 = 75079049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75087197 and 75087206.

It is not a weakly prime, because it can be changed into another prime (75087251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37543620 + 37543621.

It is an arithmetic number, because the mean of its divisors is an integer number (37543621).

Almost surely, 275087241 is an apocalyptic number.

It is an amenable number.

75087241 is a deficient number, since it is larger than the sum of its proper divisors (1).

75087241 is an equidigital number, since it uses as much as digits as its factorization.

75087241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 75087241 is about 8665.2894354430. The cubic root of 75087241 is about 421.8797846444.

The spelling of 75087241 in words is "seventy-five million, eighty-seven thousand, two hundred forty-one".