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71024085 = 32511143483
BaseRepresentation
bin1000011101110…
…11110111010101
311221122101201200
410032323313111
5121140232320
611014143113
71521460206
oct416736725
9157571650
1071024085
11371004a0
121b951a99
13119399b2
14960b5ad
15637e290
hex43bbdd5

71024085 has 24 divisors (see below), whose sum is σ = 134301024. Its totient is φ = 34435680.

The previous prime is 71024039. The next prime is 71024101. The reversal of 71024085 is 58042017.

It is not a de Polignac number, because 71024085 - 26 = 71024021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71247 + ... + 72236.

It is an arithmetic number, because the mean of its divisors is an integer number (5595876).

Almost surely, 271024085 is an apocalyptic number.

It is an amenable number.

71024085 is a deficient number, since it is larger than the sum of its proper divisors (63276939).

71024085 is a wasteful number, since it uses less digits than its factorization.

71024085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143505 (or 143502 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 71024085 is about 8427.5788338051. The cubic root of 71024085 is about 414.1285919941.

The spelling of 71024085 in words is "seventy-one million, twenty-four thousand, eighty-five".

Divisors: 1 3 5 9 11 15 33 45 55 99 165 495 143483 430449 717415 1291347 1578313 2152245 4734939 6456735 7891565 14204817 23674695 71024085