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27760085 = 55552017
BaseRepresentation
bin110100111100…
…1010111010101
31221020100200022
41221321113111
524101310320
62430554525
7454646123
oct151712725
957210608
1027760085
1114740621
129368a45
13599c5b2
143988913
152685325
hex1a795d5

27760085 has 4 divisors (see below), whose sum is σ = 33312108. Its totient is φ = 22208064.

The previous prime is 27760081. The next prime is 27760087. The reversal of 27760085 is 58006772.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5726449 + 22033636 = 2393^2 + 4694^2 .

It is a cyclic number.

It is not a de Polignac number, because 27760085 - 22 = 27760081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27760081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2776004 + ... + 2776013.

It is an arithmetic number, because the mean of its divisors is an integer number (8328027).

Almost surely, 227760085 is an apocalyptic number.

It is an amenable number.

27760085 is a deficient number, since it is larger than the sum of its proper divisors (5552023).

27760085 is an equidigital number, since it uses as much as digits as its factorization.

27760085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5552022.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 27760085 is about 5268.7840153113. The cubic root of 27760085 is about 302.7891186605.

The spelling of 27760085 in words is "twenty-seven million, seven hundred sixty thousand, eighty-five".

Divisors: 1 5 5552017 27760085