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64831841 is a prime number
BaseRepresentation
bin1111011101010…
…0000101100001
311111222210120022
43313110011201
5113044104331
610233323225
71415030054
oct367240541
9144883508
1064831841
1133661138
1219866515
131057c349
148878a9b
155a5967b
hex3dd4161

64831841 has 2 divisors, whose sum is σ = 64831842. Its totient is φ = 64831840.

The previous prime is 64831801. The next prime is 64831853. The reversal of 64831841 is 14813846.

64831841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36784225 + 28047616 = 6065^2 + 5296^2 .

It is a cyclic number.

It is not a de Polignac number, because 64831841 - 26 = 64831777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64831801) 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, 32415920 + 32415921.

It is an arithmetic number, because the mean of its divisors is an integer number (32415921).

Almost surely, 264831841 is an apocalyptic number.

It is an amenable number.

64831841 is a deficient number, since it is larger than the sum of its proper divisors (1).

64831841 is an equidigital number, since it uses as much as digits as its factorization.

64831841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 35.

The square root of 64831841 is about 8051.8222161198. The cubic root of 64831841 is about 401.7255475933.

The spelling of 64831841 in words is "sixty-four million, eight hundred thirty-one thousand, eight hundred forty-one".