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85009017 = 337765847
BaseRepresentation
bin1010001000100…
…10001001111001
312220221220110010
411010102021321
5133230242032
612234012133
72051364462
oct504221171
9186856403
1085009017
1143a92595
1224577049
13147c52c2
14b40bd69
1576e2ccc
hex5112279

85009017 has 8 divisors (see below), whose sum is σ = 116408896. Its totient is φ = 55140912.

The previous prime is 85009009. The next prime is 85009033. The reversal of 85009017 is 71090058.

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

It is not a de Polignac number, because 85009017 - 23 = 85009009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85009007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382813 + ... + 383034.

It is an arithmetic number, because the mean of its divisors is an integer number (14551112).

Almost surely, 285009017 is an apocalyptic number.

It is an amenable number.

85009017 is a deficient number, since it is larger than the sum of its proper divisors (31399879).

85009017 is a wasteful number, since it uses less digits than its factorization.

85009017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765887.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 85009017 is about 9220.0334598091. The cubic root of 85009017 is about 439.6985142006.

The spelling of 85009017 in words is "eighty-five million, nine thousand, seventeen".

Divisors: 1 3 37 111 765847 2297541 28336339 85009017