Base | Representation |
---|---|
bin | 1001110001100011… |
… | …11100110000000001 |
3 | 111112201020221201102 |
4 | 10320301330300001 |
5 | 41221340212111 |
6 | 2224413544145 |
7 | 244016511311 |
oct | 47061746001 |
9 | 14481227642 |
10 | 5247585281 |
11 | 2253141544 |
12 | 10254a5055 |
13 | 658237163 |
14 | 37ad0d441 |
15 | 20aa6013b |
hex | 138c7cc01 |
5247585281 has 8 divisors (see below), whose sum is σ = 5652234720. Its totient is φ = 4855781952.
The previous prime is 5247585269. The next prime is 5247585283. The reversal of 5247585281 is 1825857425.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 5247585281 - 210 = 5247584257 is a prime.
It is a super-2 number, since 2×52475852812 = 55074302562735697922, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (5247585283) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3210680 + ... + 3212313.
It is an arithmetic number, because the mean of its divisors is an integer number (706529340).
Almost surely, 25247585281 is an apocalyptic number.
It is an amenable number.
5247585281 is a deficient number, since it is larger than the sum of its proper divisors (404649439).
5247585281 is a wasteful number, since it uses less digits than its factorization.
5247585281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6423055.
The product of its digits is 896000, while the sum is 47.
The square root of 5247585281 is about 72440.2186702939. The cubic root of 5247585281 is about 1737.7468172119.
The spelling of 5247585281 in words is "five billion, two hundred forty-seven million, five hundred eighty-five thousand, two hundred eighty-one".
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