Base | Representation |
---|---|
bin | 110100011011… |
… | …1111101011101 |
3 | 1220201202012020 |
4 | 1220313331131 |
5 | 24014222224 |
6 | 2421130353 |
7 | 452452104 |
oct | 150677535 |
9 | 56652166 |
10 | 27492189 |
11 | 1457831a |
12 | 92599b9 |
13 | 590768a |
14 | 391903b |
15 | 2630c79 |
hex | 1a37f5d |
27492189 has 8 divisors (see below), whose sum is σ = 37068480. Its totient is φ = 18122016.
The previous prime is 27492187. The next prime is 27492191. The reversal of 27492189 is 98129472.
It is an interprime number because it is at equal distance from previous prime (27492187) and next prime (27492191).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 27492189 - 21 = 27492187 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a self number, because there is not a number n which added to its sum of digits gives 27492189.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27492187) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 51217 + ... + 51750.
It is an arithmetic number, because the mean of its divisors is an integer number (4633560).
Almost surely, 227492189 is an apocalyptic number.
It is an amenable number.
27492189 is a deficient number, since it is larger than the sum of its proper divisors (9576291).
27492189 is a wasteful number, since it uses less digits than its factorization.
27492189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103059.
The product of its digits is 72576, while the sum is 42.
The square root of 27492189 is about 5243.2994383308. The cubic root of 27492189 is about 301.8119562376.
The spelling of 27492189 in words is "twenty-seven million, four hundred ninety-two thousand, one hundred eighty-nine".
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