Base | Representation |
---|---|
bin | 110100011010… |
… | …1111101100000 |
3 | 1220201022221221 |
4 | 1220311331200 |
5 | 24013442000 |
6 | 2421024424 |
7 | 452416165 |
oct | 150657540 |
9 | 56638857 |
10 | 27484000 |
11 | 14572155 |
12 | 9255114 |
13 | 5903a2b |
14 | 391606c |
15 | 262d61a |
hex | 1a35f60 |
27484000 has 48 divisors (see below), whose sum is σ = 67538016. Its totient is φ = 10992000.
The previous prime is 27483997. The next prime is 27484031. The reversal of 27484000 is 48472.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 565 + ... + 7435.
It is an arithmetic number, because the mean of its divisors is an integer number (1407042).
Almost surely, 227484000 is an apocalyptic number.
27484000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27484000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33769008).
27484000 is an abundant number, since it is smaller than the sum of its proper divisors (40054016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27484000 is an equidigital number, since it uses as much as digits as its factorization.
27484000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6896 (or 6878 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 25.
The square root of 27484000 is about 5242.5184787466. The cubic root of 27484000 is about 301.7819867125.
Subtracting from 27484000 its reverse (48472), we obtain a triangular number (27435528 = T7407).
The spelling of 27484000 in words is "twenty-seven million, four hundred eighty-four thousand".
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