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85056511 = 474014513
BaseRepresentation
bin1010001000111…
…01101111111111
312221001022121011
411010131233333
5133233302021
612235020051
72051653111
oct504355777
9187038534
1085056511
1144015241
122459a627
1314810ac7
14b4213b1
157701de1
hex511dbff

85056511 has 8 divisors (see below), whose sum is σ = 87102144. Its totient is φ = 83020800.

The previous prime is 85056493. The next prime is 85056527. The reversal of 85056511 is 11565058.

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

It is not a de Polignac number, because 85056511 - 225 = 51502079 is a prime.

It is a super-2 number, since 2×850565112 = 14469220126986242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85056571) 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, 16591 + ... + 21103.

It is an arithmetic number, because the mean of its divisors is an integer number (10887768).

Almost surely, 285056511 is an apocalyptic number.

85056511 is a deficient number, since it is larger than the sum of its proper divisors (2045633).

85056511 is a wasteful number, since it uses less digits than its factorization.

85056511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961.

The product of its (nonzero) digits is 6000, while the sum is 31.

The square root of 85056511 is about 9222.6086873509. The cubic root of 85056511 is about 439.7803845485.

The spelling of 85056511 in words is "eighty-five million, fifty-six thousand, five hundred eleven".

Divisors: 1 47 401 4513 18847 212111 1809713 85056511