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75000841 is a prime number
BaseRepresentation
bin1000111100001…
…10110000001001
312020010102210221
410132012300021
5123200011331
611235310041
71600332226
oct436066011
9166112727
1075000841
1139377273
122114b321
13126ccac6
149d6494d
1568b7711
hex4786c09

75000841 has 2 divisors, whose sum is σ = 75000842. Its totient is φ = 75000840.

The previous prime is 75000839. The next prime is 75000853. The reversal of 75000841 is 14800057.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65545216 + 9455625 = 8096^2 + 3075^2 .

It is a cyclic number.

It is not a de Polignac number, because 75000841 - 21 = 75000839 is a prime.

Together with 75000839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (75000881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37500420 + 37500421.

It is an arithmetic number, because the mean of its divisors is an integer number (37500421).

Almost surely, 275000841 is an apocalyptic number.

It is an amenable number.

75000841 is a deficient number, since it is larger than the sum of its proper divisors (1).

75000841 is an equidigital number, since it uses as much as digits as its factorization.

75000841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 75000841 is about 8660.3025928659. The cubic root of 75000841 is about 421.7179089269.

Adding to 75000841 its reverse (14800057), we get a palindrome (89800898).

The spelling of 75000841 in words is "seventy-five million, eight hundred forty-one", and thus it is an aban number.