Base | Representation |
---|---|
bin | 1011101001000… |
… | …0001010010101 |
3 | 10101212120021122 |
4 | 2322100022111 |
5 | 44444344411 |
6 | 4502253325 |
7 | 1132001612 |
oct | 272201225 |
9 | 111776248 |
10 | 48824981 |
11 | 25618a27 |
12 | 14427245 |
13 | a16662a |
14 | 66ad509 |
15 | 44469db |
hex | 2e90295 |
48824981 has 2 divisors, whose sum is σ = 48824982. Its totient is φ = 48824980.
The previous prime is 48824957. The next prime is 48825011. The reversal of 48824981 is 18942884.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 45346756 + 3478225 = 6734^2 + 1865^2 .
It is a cyclic number.
It is not a de Polignac number, because 48824981 - 214 = 48808597 is a prime.
It is a super-2 number, since 2×488249812 = 4767757539300722, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (48824911) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24412490 + 24412491.
It is an arithmetic number, because the mean of its divisors is an integer number (24412491).
Almost surely, 248824981 is an apocalyptic number.
It is an amenable number.
48824981 is a deficient number, since it is larger than the sum of its proper divisors (1).
48824981 is an equidigital number, since it uses as much as digits as its factorization.
48824981 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 147456, while the sum is 44.
The square root of 48824981 is about 6987.4874597383. The cubic root of 48824981 is about 365.4943723195.
The spelling of 48824981 in words is "forty-eight million, eight hundred twenty-four thousand, nine hundred eighty-one".
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