Base | Representation |
---|---|
bin | 1011100010100… |
… | …0101100111001 |
3 | 10101002000222101 |
4 | 2320220230321 |
5 | 44342314314 |
6 | 4445223401 |
7 | 1125255253 |
oct | 270505471 |
9 | 111060871 |
10 | 48401209 |
11 | 253595aa |
12 | 14261b61 |
13 | a04878c |
14 | 65dccd3 |
15 | 43b1174 |
hex | 2e28b39 |
48401209 has 2 divisors, whose sum is σ = 48401210. Its totient is φ = 48401208.
The previous prime is 48401183. The next prime is 48401219. The reversal of 48401209 is 90210484.
48401209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 41641209 + 6760000 = 6453^2 + 2600^2 .
It is a cyclic number.
It is not a de Polignac number, because 48401209 - 27 = 48401081 is a prime.
It is not a weakly prime, because it can be changed into another prime (48401219) 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 as a sum of consecutive naturals, namely, 24200604 + 24200605.
It is an arithmetic number, because the mean of its divisors is an integer number (24200605).
Almost surely, 248401209 is an apocalyptic number.
It is an amenable number.
48401209 is a deficient number, since it is larger than the sum of its proper divisors (1).
48401209 is an equidigital number, since it uses as much as digits as its factorization.
48401209 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 48401209 is about 6957.0977425935. The cubic root of 48401209 is about 364.4338731077.
The spelling of 48401209 in words is "forty-eight million, four hundred one thousand, two hundred nine".
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