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85940863 = 4711171637
BaseRepresentation
bin1010001111101…
…01101001111111
312222201020200221
411013311221333
5134000101423
612310002211
72062325311
oct507655177
9188636627
1085940863
1144569708
1224946367
1314a604a8
14b5b17b1
157828e5d
hex51f5a7f

85940863 has 8 divisors (see below), whose sum is σ = 87901632. Its totient is φ = 83985696.

The previous prime is 85940837. The next prime is 85940873. The reversal of 85940863 is 36804958.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85940863 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 (85940873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51681 + ... + 53317.

It is an arithmetic number, because the mean of its divisors is an integer number (10987704).

Almost surely, 285940863 is an apocalyptic number.

85940863 is a deficient number, since it is larger than the sum of its proper divisors (1960769).

85940863 is a wasteful number, since it uses less digits than its factorization.

85940863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 85940863 is about 9270.4294938261. The cubic root of 85940863 is about 441.2992982341.

The spelling of 85940863 in words is "eighty-five million, nine hundred forty thousand, eight hundred sixty-three".

Divisors: 1 47 1117 1637 52499 76939 1828529 85940863