Base | Representation |
---|---|
bin | 1101010001110… |
… | …0010011001110 |
3 | 10212210100221010 |
4 | 3110130103032 |
5 | 103224043241 |
6 | 5305350050 |
7 | 1244234550 |
oct | 324342316 |
9 | 125710833 |
10 | 55690446 |
11 | 29488069 |
12 | 16798326 |
13 | b6cb536 |
14 | 75794d0 |
15 | 4d50d16 |
hex | 351c4ce |
55690446 has 32 divisors (see below), whose sum is σ = 131401728. Its totient is φ = 15397920.
The previous prime is 55690373. The next prime is 55690447. The reversal of 55690446 is 64409655.
55690446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55690447) 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, 20085 + ... + 22688.
It is an arithmetic number, because the mean of its divisors is an integer number (4106304).
Almost surely, 255690446 is an apocalyptic number.
55690446 is an abundant number, since it is smaller than the sum of its proper divisors (75711282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55690446 is a wasteful number, since it uses less digits than its factorization.
55690446 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42816.
The product of its (nonzero) digits is 129600, while the sum is 39.
The square root of 55690446 is about 7462.6031651160. The cubic root of 55690446 is about 381.8799866041.
The spelling of 55690446 in words is "fifty-five million, six hundred ninety thousand, four hundred forty-six".
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