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85065711 = 328355237
BaseRepresentation
bin1010001000111…
…11111111101111
312221001210012220
411010133333233
5133234100321
612235130423
72052021663
oct504377757
9187053186
1085065711
1144021145
12245a3a13
1314815053
14b4248a3
1577049c6
hex511ffef

85065711 has 4 divisors (see below), whose sum is σ = 113420952. Its totient is φ = 56710472.

The previous prime is 85065703. The next prime is 85065713. The reversal of 85065711 is 11756058.

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 85065711 - 23 = 85065703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85065713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14177616 + ... + 14177621.

It is an arithmetic number, because the mean of its divisors is an integer number (28355238).

Almost surely, 285065711 is an apocalyptic number.

85065711 is a deficient number, since it is larger than the sum of its proper divisors (28355241).

85065711 is a wasteful number, since it uses less digits than its factorization.

85065711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28355240.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 85065711 is about 9223.1074481435. The cubic root of 85065711 is about 439.7962400216.

The spelling of 85065711 in words is "eighty-five million, sixty-five thousand, seven hundred eleven".

Divisors: 1 3 28355237 85065711