Base | Representation |
---|---|
bin | 1101001100100… |
… | …0111000110011 |
3 | 10212011000021002 |
4 | 3103020320303 |
5 | 103132130122 |
6 | 5254152215 |
7 | 1241312504 |
oct | 323107063 |
9 | 125130232 |
10 | 55348787 |
11 | 292743aa |
12 | 1665266b |
13 | b60bb80 |
14 | 74cabab |
15 | 4cd4992 |
hex | 34c8e33 |
55348787 has 16 divisors (see below), whose sum is σ = 65862720. Its totient is φ = 45990912.
The previous prime is 55348747. The next prime is 55348789. The reversal of 55348787 is 78784355.
It is a happy number.
55348787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 55348787 - 210 = 55347763 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (55348789) 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, 362 + ... + 10527.
It is an arithmetic number, because the mean of its divisors is an integer number (4116420).
Almost surely, 255348787 is an apocalyptic number.
55348787 is a deficient number, since it is larger than the sum of its proper divisors (10513933).
55348787 is a wasteful number, since it uses less digits than its factorization.
55348787 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10942.
The product of its digits is 940800, while the sum is 47.
The square root of 55348787 is about 7439.6765386675. The cubic root of 55348787 is about 381.0974438633.
The spelling of 55348787 in words is "fifty-five million, three hundred forty-eight thousand, seven hundred eighty-seven".
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