Base | Representation |
---|---|
bin | 1101000111010… |
… | …1001101001001 |
3 | 10211111121002012 |
4 | 3101311031021 |
5 | 103040143100 |
6 | 5242545305 |
7 | 1235354264 |
oct | 321651511 |
9 | 124447065 |
10 | 55006025 |
11 | 2905a928 |
12 | 16508235 |
13 | b51bb59 |
14 | 743bcdb |
15 | 4c68135 |
hex | 3475349 |
55006025 has 12 divisors (see below), whose sum is σ = 68848272. Its totient is φ = 43591440.
The previous prime is 55005991. The next prime is 55006037. The reversal of 55006025 is 52060055.
55006025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 55006025 - 26 = 55005961 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 7607 + ... + 12956.
It is an arithmetic number, because the mean of its divisors is an integer number (5737356).
Almost surely, 255006025 is an apocalyptic number.
It is an amenable number.
55006025 is a deficient number, since it is larger than the sum of its proper divisors (13842247).
55006025 is a wasteful number, since it uses less digits than its factorization.
55006025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20680 (or 20675 counting only the distinct ones).
The product of its (nonzero) digits is 1500, while the sum is 23.
The square root of 55006025 is about 7416.6046813889. The cubic root of 55006025 is about 380.3091321076.
The spelling of 55006025 in words is "fifty-five million, six thousand, twenty-five".
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