Base | Representation |
---|---|
bin | 11101011100110… |
… | …10011110011001 |
3 | 122012212100021020 |
4 | 32232122132121 |
5 | 1001221014324 |
6 | 40303033053 |
7 | 6056605551 |
oct | 1656323631 |
9 | 565770236 |
10 | 247048089 |
11 | 1174a7982 |
12 | 6a89b789 |
13 | 3c24ac02 |
14 | 24b4c161 |
15 | 16a4e679 |
hex | eb9a799 |
247048089 has 32 divisors (see below), whose sum is σ = 355891200. Its totient is φ = 151968960.
The previous prime is 247048079. The next prime is 247048091. The reversal of 247048089 is 980840742.
It is not a de Polignac number, because 247048089 - 24 = 247048073 is a prime.
It is a super-2 number, since 2×2470480892 = 122065516557103842, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 247048089.
It is not an unprimeable number, because it can be changed into a prime (247048049) 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 31 ways as a sum of consecutive naturals, for example, 373419 + ... + 374079.
It is an arithmetic number, because the mean of its divisors is an integer number (11121600).
Almost surely, 2247048089 is an apocalyptic number.
It is an amenable number.
247048089 is a deficient number, since it is larger than the sum of its proper divisors (108843111).
247048089 is a wasteful number, since it uses less digits than its factorization.
247048089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 845.
The product of its (nonzero) digits is 129024, while the sum is 42.
The square root of 247048089 is about 15717.7634859416. The cubic root of 247048089 is about 627.4712517318.
The spelling of 247048089 in words is "two hundred forty-seven million, forty-eight thousand, eighty-nine".
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