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85963693 = 107803399
BaseRepresentation
bin1010001111110…
…11001110101101
312222202102000111
411013323032231
5134001314233
612310300021
72062452004
oct507731655
9188672014
1085963693
1144584882
1224957611
1314a6a9ba
14b5b9c3b
157830acd
hex51fb3ad

85963693 has 4 divisors (see below), whose sum is σ = 86767200. Its totient is φ = 85160188.

The previous prime is 85963667. The next prime is 85963699. The reversal of 85963693 is 39636958.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85963693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85963699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401593 + ... + 401806.

It is an arithmetic number, because the mean of its divisors is an integer number (21691800).

Almost surely, 285963693 is an apocalyptic number.

It is an amenable number.

85963693 is a deficient number, since it is larger than the sum of its proper divisors (803507).

85963693 is a wasteful number, since it uses less digits than its factorization.

85963693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803506.

The product of its digits is 1049760, while the sum is 49.

The square root of 85963693 is about 9271.6607465977. The cubic root of 85963693 is about 441.3383715016.

The spelling of 85963693 in words is "eighty-five million, nine hundred sixty-three thousand, six hundred ninety-three".

Divisors: 1 107 803399 85963693