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85466671 = 4317311489
BaseRepresentation
bin1010001100000…
…01111000101111
312221211011020021
411012001320233
5133334413141
612251503011
72055311653
oct506017057
9187734207
1085466671
1144275414
1224757a67
13149256c4
14b4caa63
1577836d1
hex5181e2f

85466671 has 8 divisors (see below), whose sum is σ = 87967440. Its totient is φ = 82989312.

The previous prime is 85466663. The next prime is 85466681. The reversal of 85466671 is 17666458.

It is a happy number.

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

It is not a de Polignac number, because 85466671 - 23 = 85466663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85466681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1695 + ... + 13183.

It is an arithmetic number, because the mean of its divisors is an integer number (10995930).

Almost surely, 285466671 is an apocalyptic number.

85466671 is a deficient number, since it is larger than the sum of its proper divisors (2500769).

85466671 is a wasteful number, since it uses less digits than its factorization.

85466671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11705.

The product of its digits is 241920, while the sum is 43.

The square root of 85466671 is about 9244.8186028716. The cubic root of 85466671 is about 440.4861551434.

The spelling of 85466671 in words is "eighty-five million, four hundred sixty-six thousand, six hundred seventy-one".

Divisors: 1 43 173 7439 11489 494027 1987597 85466671