Base | Representation |
---|---|
bin | 1100111111010… |
… | …1000011111101 |
3 | 10210111221002100 |
4 | 3033311003331 |
5 | 102421344044 |
6 | 5223415313 |
7 | 1231040112 |
oct | 317650375 |
9 | 123457070 |
10 | 54481149 |
11 | 28831548 |
12 | 162b4539 |
13 | b396c88 |
14 | 7342909 |
15 | 4bb2869 |
hex | 33f50fd |
54481149 has 6 divisors (see below), whose sum is σ = 78695006. Its totient is φ = 36320760.
The previous prime is 54481139. The next prime is 54481153. The reversal of 54481149 is 94118445.
It can be written as a sum of positive squares in only one way, i.e., 28164249 + 26316900 = 5307^2 + 5130^2 .
It is not a de Polignac number, because 54481149 - 28 = 54480893 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54481109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3026722 + ... + 3026739.
Almost surely, 254481149 is an apocalyptic number.
It is an amenable number.
54481149 is a deficient number, since it is larger than the sum of its proper divisors (24213857).
54481149 is a wasteful number, since it uses less digits than its factorization.
54481149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6053467 (or 6053464 counting only the distinct ones).
The product of its digits is 23040, while the sum is 36.
The square root of 54481149 is about 7381.1346688704. The cubic root of 54481149 is about 379.0956078139.
The spelling of 54481149 in words is "fifty-four million, four hundred eighty-one thousand, one hundred forty-nine".
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