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85633671 = 347607331
BaseRepresentation
bin1010001101010…
…10101010000111
312222010122022110
411012222222013
5133410234141
612255232103
72056605564
oct506525207
9188118273
1085633671
1144379932
1224818633
1314983716
14b53186b
1577b7e16
hex51aaa87

85633671 has 8 divisors (see below), whose sum is σ = 116607744. Its totient is φ = 55874360.

The previous prime is 85633661. The next prime is 85633679. The reversal of 85633671 is 17633658.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85633671 - 29 = 85633159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85633679) 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 in 7 ways as a sum of consecutive naturals, for example, 303525 + ... + 303806.

It is an arithmetic number, because the mean of its divisors is an integer number (14575968).

Almost surely, 285633671 is an apocalyptic number.

85633671 is a deficient number, since it is larger than the sum of its proper divisors (30974073).

85633671 is a wasteful number, since it uses less digits than its factorization.

85633671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607381.

The product of its digits is 90720, while the sum is 39.

The square root of 85633671 is about 9253.8462814119. The cubic root of 85633671 is about 440.7728685748.

The spelling of 85633671 in words is "eighty-five million, six hundred thirty-three thousand, six hundred seventy-one".

Divisors: 1 3 47 141 607331 1821993 28544557 85633671