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85527805 = 5111555051
BaseRepresentation
bin1010001100100…
…00110011111101
312221221021002111
411012100303331
5133343342210
612253054021
72055655126
oct506206375
9187837074
1085527805
1144307340
1224787311
131494748c
14b50504d
15779688a
hex5190cfd

85527805 has 8 divisors (see below), whose sum is σ = 111963744. Its totient is φ = 62202000.

The previous prime is 85527737. The next prime is 85527809. The reversal of 85527805 is 50872558.

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

It is not a de Polignac number, because 85527805 - 211 = 85525757 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 (85527809) 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, 777471 + ... + 777580.

It is an arithmetic number, because the mean of its divisors is an integer number (13995468).

Almost surely, 285527805 is an apocalyptic number.

It is an amenable number.

85527805 is a deficient number, since it is larger than the sum of its proper divisors (26435939).

85527805 is a wasteful number, since it uses less digits than its factorization.

85527805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555067.

The product of its (nonzero) digits is 112000, while the sum is 40.

The square root of 85527805 is about 9248.1244044401. The cubic root of 85527805 is about 440.5911561619.

The spelling of 85527805 in words is "eighty-five million, five hundred twenty-seven thousand, eight hundred five".

Divisors: 1 5 11 55 1555051 7775255 17105561 85527805