Base | Representation |
---|---|
bin | 110011111110… |
… | …0010110101000 |
3 | 1220021100021200 |
4 | 1213330112220 |
5 | 23433414130 |
6 | 2412004200 |
7 | 450414231 |
oct | 147742650 |
9 | 56240250 |
10 | 27248040 |
11 | 14420946 |
12 | 9160660 |
13 | 5850501 |
14 | 3894088 |
15 | 25d3760 |
hex | 19fc5a8 |
27248040 has 48 divisors (see below), whose sum is σ = 88557300. Its totient is φ = 7266048.
The previous prime is 27248027. The next prime is 27248041. The reversal of 27248040 is 4084272.
It can be written as a sum of positive squares in 2 ways, for example, as 24980004 + 2268036 = 4998^2 + 1506^2 .
It is a junction number, because it is equal to n+sod(n) for n = 27247995 and 27248013.
It is not an unprimeable number, because it can be changed into a prime (27248041) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37485 + ... + 38204.
Almost surely, 227248040 is an apocalyptic number.
27248040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27248040 is an abundant number, since it is smaller than the sum of its proper divisors (61309260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27248040 is a wasteful number, since it uses less digits than its factorization.
27248040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75706 (or 75699 counting only the distinct ones).
The product of its (nonzero) digits is 3584, while the sum is 27.
The square root of 27248040 is about 5219.9655171275. The cubic root of 27248040 is about 300.9158677754.
The spelling of 27248040 in words is "twenty-seven million, two hundred forty-eight thousand, forty".
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