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85348841 is a prime number
BaseRepresentation
bin1010001011001…
…01000111101001
312221121011121012
411011211013221
5133322130331
612245153305
72054311304
oct505450751
9187534535
1085348841
11441a4936
12246bb835
13148b3b96
14b499b3b
15775d82b
hex51651e9

85348841 has 2 divisors, whose sum is σ = 85348842. Its totient is φ = 85348840.

The previous prime is 85348819. The next prime is 85348843. The reversal of 85348841 is 14884358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49000000 + 36348841 = 7000^2 + 6029^2 .

It is a cyclic number.

It is not a de Polignac number, because 85348841 - 26 = 85348777 is a prime.

Together with 85348843, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85348843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42674420 + 42674421.

It is an arithmetic number, because the mean of its divisors is an integer number (42674421).

Almost surely, 285348841 is an apocalyptic number.

It is an amenable number.

85348841 is a deficient number, since it is larger than the sum of its proper divisors (1).

85348841 is an equidigital number, since it uses as much as digits as its factorization.

85348841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122880, while the sum is 41.

The square root of 85348841 is about 9238.4436459828. The cubic root of 85348841 is about 440.2836342722.

It can be divided in two parts, 853 and 48841, that added together give a palindrome (49694).

The spelling of 85348841 in words is "eighty-five million, three hundred forty-eight thousand, eight hundred forty-one".