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83975873 is a prime number
BaseRepresentation
bin1010000000101…
…01111011000001
312212000102020112
411000111323001
5132444211443
612155521105
72036532422
oct500257301
9185012215
1083975873
1143447353
1224159195
1314522c87
14b21d649
15758bb18
hex5015ec1

83975873 has 2 divisors, whose sum is σ = 83975874. Its totient is φ = 83975872.

The previous prime is 83975867. The next prime is 83975893. The reversal of 83975873 is 37857938.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63473089 + 20502784 = 7967^2 + 4528^2 .

It is a cyclic number.

It is not a de Polignac number, because 83975873 - 224 = 67198657 is a prime.

It is a super-2 number, since 2×839758732 = 14103894492224258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (83975803) 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, 41987936 + 41987937.

It is an arithmetic number, because the mean of its divisors is an integer number (41987937).

Almost surely, 283975873 is an apocalyptic number.

It is an amenable number.

83975873 is a deficient number, since it is larger than the sum of its proper divisors (1).

83975873 is an equidigital number, since it uses as much as digits as its factorization.

83975873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 50.

The square root of 83975873 is about 9163.8350596243. The cubic root of 83975873 is about 437.9099795537.

It can be divided in two parts, 83975 and 873, that added together give a palindrome (84848).

The spelling of 83975873 in words is "eighty-three million, nine hundred seventy-five thousand, eight hundred seventy-three".