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27320085 = 345135189
BaseRepresentation
bin110100000110…
…1111100010101
31220102000010000
41220031330111
523443220320
62413321513
7451134252
oct150157425
956360100
1027320085
111446aa91
129196299
135877240
1438b2429
1525e9c90
hex1a0df15

27320085 has 40 divisors (see below), whose sum is σ = 52751160. Its totient is φ = 13447296.

The previous prime is 27320047. The next prime is 27320089. The reversal of 27320085 is 58002372.

It can be written as a sum of positive squares in 4 ways, for example, as 2099601 + 25220484 = 1449^2 + 5022^2 .

It is not a de Polignac number, because 27320085 - 28 = 27319829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27320089) 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 39 ways as a sum of consecutive naturals, for example, 2671 + ... + 7859.

It is an arithmetic number, because the mean of its divisors is an integer number (1318779).

Almost surely, 227320085 is an apocalyptic number.

It is an amenable number.

27320085 is a deficient number, since it is larger than the sum of its proper divisors (25431075).

27320085 is a wasteful number, since it uses less digits than its factorization.

27320085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5219 (or 5210 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 27320085 is about 5226.8618692290. The cubic root of 27320085 is about 301.1808459114.

The spelling of 27320085 in words is "twenty-seven million, three hundred twenty thousand, eighty-five".

Divisors: 1 3 5 9 13 15 27 39 45 65 81 117 135 195 351 405 585 1053 1755 5189 5265 15567 25945 46701 67457 77835 140103 202371 233505 337285 420309 607113 700515 1011855 1821339 2101545 3035565 5464017 9106695 27320085