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83946313 = 1119894513
BaseRepresentation
bin1010000000011…
…10101101001001
312211221220200201
411000032231021
5132442240223
612155132201
72036350303
oct500165511
9184856621
1083946313
1143427120
1224144061
1314512699
14b212973
157582ead
hex500eb49

83946313 has 16 divisors (see below), whose sum is σ = 97502400. Its totient is φ = 71470080.

The previous prime is 83946307. The next prime is 83946337. The reversal of 83946313 is 31364938.

It is not a de Polignac number, because 83946313 - 25 = 83946281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83946383) 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 in 15 ways as a sum of consecutive naturals, for example, 16345 + ... + 20857.

It is an arithmetic number, because the mean of its divisors is an integer number (6093900).

Almost surely, 283946313 is an apocalyptic number.

It is an amenable number.

83946313 is a deficient number, since it is larger than the sum of its proper divisors (13556087).

83946313 is a wasteful number, since it uses less digits than its factorization.

83946313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4632.

The product of its digits is 46656, while the sum is 37.

The square root of 83946313 is about 9162.2220558116. Note that the first 3 decimals coincide. The cubic root of 83946313 is about 437.8585912295.

The spelling of 83946313 in words is "eighty-three million, nine hundred forty-six thousand, three hundred thirteen".

Divisors: 1 11 19 89 209 979 1691 4513 18601 49643 85747 401657 943217 4418227 7631483 83946313