Base | Representation |
---|---|
bin | 110011111100… |
… | …0000000100000 |
3 | 1220020102212102 |
4 | 1213320000200 |
5 | 23432331430 |
6 | 2411345532 |
7 | 450311312 |
oct | 147700040 |
9 | 56212772 |
10 | 27230240 |
11 | 14409534 |
12 | 91522a8 |
13 | 584538b |
14 | 388b7b2 |
15 | 25cd345 |
hex | 19f8020 |
27230240 has 24 divisors (see below), whose sum is σ = 64331820. Its totient is φ = 10892032.
The previous prime is 27230233. The next prime is 27230251. The reversal of 27230240 is 4203272.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 26173456 + 1056784 = 5116^2 + 1028^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84935 + ... + 85254.
Almost surely, 227230240 is an apocalyptic number.
27230240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27230240 is an abundant number, since it is smaller than the sum of its proper divisors (37101580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27230240 is a wasteful number, since it uses less digits than its factorization.
27230240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 170204 (or 170196 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 20.
The square root of 27230240 is about 5218.2602464806. The cubic root of 27230240 is about 300.8503282697.
The spelling of 27230240 in words is "twenty-seven million, two hundred thirty thousand, two hundred forty".
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