Base | Representation |
---|---|
bin | 10010110111111100100100 |
3 | 100022101000221 |
4 | 102313330210 |
5 | 2231311443 |
6 | 254014124 |
7 | 60024631 |
oct | 22677444 |
9 | 10271027 |
10 | 4947748 |
11 | 287a353 |
12 | 17a7344 |
13 | 1043080 |
14 | 92b188 |
15 | 67aeed |
hex | 4b7f24 |
4947748 has 48 divisors (see below), whose sum is σ = 10266480. Its totient is φ = 2064384.
The previous prime is 4947743. The next prime is 4947763. The reversal of 4947748 is 8477494.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 142884 + 4804864 = 378^2 + 2192^2 .
Its product of digits (225792) is a multiple of the sum of its prime factors (256).
It is not an unprimeable number, because it can be changed into a prime (4947743) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25540 + ... + 25732.
It is an arithmetic number, because the mean of its divisors is an integer number (213885).
Almost surely, 24947748 is an apocalyptic number.
It is an amenable number.
4947748 is an abundant number, since it is smaller than the sum of its proper divisors (5318732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4947748 is a wasteful number, since it uses less digits than its factorization.
4947748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 256 (or 254 counting only the distinct ones).
The product of its digits is 225792, while the sum is 43.
The square root of 4947748 is about 2224.3533891898. The cubic root of 4947748 is about 170.3998431380.
The spelling of 4947748 in words is "four million, nine hundred forty-seven thousand, seven hundred forty-eight".
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