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85662479 = 788313859
BaseRepresentation
bin1010001101100…
…01101100001111
312222012002211102
411012301230033
5133412144404
612300013315
72060055560
oct506615417
9188162742
1085662479
1144399541
122483123b
1314993876
14b53c167
1577c171e
hex51b1b0f

85662479 has 8 divisors (see below), whose sum is σ = 98017920. Its totient is φ = 73336536.

The previous prime is 85662463. The next prime is 85662523. The reversal of 85662479 is 97426658.

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

It is not a de Polignac number, because 85662479 - 24 = 85662463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85662179) 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, 749 + ... + 13110.

It is an arithmetic number, because the mean of its divisors is an integer number (12252240).

Almost surely, 285662479 is an apocalyptic number.

85662479 is a deficient number, since it is larger than the sum of its proper divisors (12355441).

85662479 is a wasteful number, since it uses less digits than its factorization.

85662479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14749.

The product of its digits is 725760, while the sum is 47.

The square root of 85662479 is about 9255.4026924818. The cubic root of 85662479 is about 440.8222897936.

The spelling of 85662479 in words is "eighty-five million, six hundred sixty-two thousand, four hundred seventy-nine".

Divisors: 1 7 883 6181 13859 97013 12237497 85662479