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85100663 = 811104933
BaseRepresentation
bin1010001001010…
…00100001110111
312221010120011102
411010220201313
5133241210123
612240000315
72052225614
oct504504167
9187116142
1085100663
114404542a
122460009b
1314827c2b
14b43350b
157710028
hex5128877

85100663 has 4 divisors (see below), whose sum is σ = 85206408. Its totient is φ = 84994920.

The previous prime is 85100627. The next prime is 85100683. The reversal of 85100663 is 36600158.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85100663 - 26 = 85100599 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 (85100683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51656 + ... + 53277.

It is an arithmetic number, because the mean of its divisors is an integer number (21301602).

Almost surely, 285100663 is an apocalyptic number.

85100663 is a deficient number, since it is larger than the sum of its proper divisors (105745).

85100663 is a wasteful number, since it uses less digits than its factorization.

85100663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105744.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 85100663 is about 9225.0020596204. The cubic root of 85100663 is about 439.8564666125.

The spelling of 85100663 in words is "eighty-five million, one hundred thousand, six hundred sixty-three".

Divisors: 1 811 104933 85100663