Base | Representation |
---|---|
bin | 110011110101… |
… | …1110000110101 |
3 | 1220010220001211 |
4 | 1213223300311 |
5 | 23424230320 |
6 | 2410321421 |
7 | 450012142 |
oct | 147536065 |
9 | 56126054 |
10 | 27180085 |
11 | 14384889 |
12 | 9129271 |
13 | 58285ba |
14 | 38773c9 |
15 | 25bd55a |
hex | 19ebc35 |
27180085 has 16 divisors (see below), whose sum is σ = 33618816. Its totient is φ = 21083328.
The previous prime is 27180073. The next prime is 27180103. The reversal of 27180085 is 58008172.
It is a cyclic number.
It is not a de Polignac number, because 27180085 - 29 = 27179573 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35527 + ... + 36283.
It is an arithmetic number, because the mean of its divisors is an integer number (2101176).
Almost surely, 227180085 is an apocalyptic number.
It is an amenable number.
27180085 is a deficient number, since it is larger than the sum of its proper divisors (6438731).
27180085 is a wasteful number, since it uses less digits than its factorization.
27180085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 972.
The product of its (nonzero) digits is 4480, while the sum is 31.
The square root of 27180085 is about 5213.4523110891. The cubic root of 27180085 is about 300.6655040709.
The spelling of 27180085 in words is "twenty-seven million, one hundred eighty thousand, eighty-five".
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