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85476811 = 712210973
BaseRepresentation
bin1010001100001…
…00010111001011
312221211200010211
411012010113023
5133340224221
612252021551
72055353350
oct506042713
9187750124
1085476811
1144281aa2
12247618b7
131492a1c4
14b4d0627
1577866e1
hex51845cb

85476811 has 4 divisors (see below), whose sum is σ = 97687792. Its totient is φ = 73265832.

The previous prime is 85476793. The next prime is 85476817. The reversal of 85476811 is 11867458.

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 85476811 - 215 = 85444043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85476817) 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, 6105480 + ... + 6105493.

It is an arithmetic number, because the mean of its divisors is an integer number (24421948).

Almost surely, 285476811 is an apocalyptic number.

85476811 is a deficient number, since it is larger than the sum of its proper divisors (12210981).

85476811 is a wasteful number, since it uses less digits than its factorization.

85476811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12210980.

The product of its digits is 53760, while the sum is 40.

The square root of 85476811 is about 9245.3670019097. The cubic root of 85476811 is about 440.5035746159.

The spelling of 85476811 in words is "eighty-five million, four hundred seventy-six thousand, eight hundred eleven".

Divisors: 1 7 12210973 85476811