Base | Representation |
---|---|
bin | 1100111110110… |
… | …0010101010001 |
3 | 10210110010001001 |
4 | 3033230111101 |
5 | 102414223033 |
6 | 5222542001 |
7 | 1230530632 |
oct | 317542521 |
9 | 123403031 |
10 | 54445393 |
11 | 288076a2 |
12 | 16297901 |
13 | b383912 |
14 | 7333889 |
15 | 4ba6e7d |
hex | 33ec551 |
54445393 has 16 divisors (see below), whose sum is σ = 61747200. Its totient is φ = 47733840.
The previous prime is 54445387. The next prime is 54445397. The reversal of 54445393 is 39354445.
It is a cyclic number.
It is not a de Polignac number, because 54445393 - 217 = 54314321 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54445397) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11538 + ... + 15556.
It is an arithmetic number, because the mean of its divisors is an integer number (3859200).
Almost surely, 254445393 is an apocalyptic number.
It is an amenable number.
54445393 is a deficient number, since it is larger than the sum of its proper divisors (7301807).
54445393 is a wasteful number, since it uses less digits than its factorization.
54445393 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4092.
The product of its digits is 129600, while the sum is 37.
The square root of 54445393 is about 7378.7121505043. The cubic root of 54445393 is about 379.0126561309.
The spelling of 54445393 in words is "fifty-four million, four hundred forty-five thousand, three hundred ninety-three".
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