Base | Representation |
---|---|
bin | 1111111110101100… |
… | …0110001001000001 |
3 | 102001221102112112122 |
4 | 3333223012021001 |
5 | 32241102044200 |
6 | 1545350334025 |
7 | 211204020146 |
oct | 37753061101 |
9 | 12057375478 |
10 | 4289487425 |
11 | 1901338433 |
12 | 9b865a315 |
13 | 5348ab552 |
14 | 2c998c3cd |
15 | 1a18a9385 |
hex | ffac6241 |
4289487425 has 24 divisors (see below), whose sum is σ = 5450939064. Its totient is φ = 3347202560.
The previous prime is 4289487409. The next prime is 4289487437. The reversal of 4289487425 is 5247849824.
It can be written as a sum of positive squares in 12 ways, for example, as 2380849 + 4287106576 = 1543^2 + 65476^2 .
It is not a de Polignac number, because 4289487425 - 24 = 4289487409 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (53).
It is a Duffinian number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 219869 + ... + 238581.
It is an arithmetic number, because the mean of its divisors is an integer number (227122461).
Almost surely, 24289487425 is an apocalyptic number.
It is an amenable number.
4289487425 is a deficient number, since it is larger than the sum of its proper divisors (1161451639).
4289487425 is a wasteful number, since it uses less digits than its factorization.
4289487425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18949 (or 18944 counting only the distinct ones).
The product of its digits is 5160960, while the sum is 53.
The square root of 4289487425 is about 65494.1785580978. The cubic root of 4289487425 is about 1624.8070682189.
The spelling of 4289487425 in words is "four billion, two hundred eighty-nine million, four hundred eighty-seven thousand, four hundred twenty-five".
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