Base | Representation |
---|---|
bin | 1100111111010… |
… | …1000100000011 |
3 | 10210111221002120 |
4 | 3033311010003 |
5 | 102421344110 |
6 | 5223415323 |
7 | 1231040121 |
oct | 317650403 |
9 | 123457076 |
10 | 54481155 |
11 | 28831553 |
12 | 162b4543 |
13 | b396c91 |
14 | 7342911 |
15 | 4bb2870 |
hex | 33f5103 |
54481155 has 16 divisors (see below), whose sum is σ = 87264000. Its totient is φ = 29025248.
The previous prime is 54481153. The next prime is 54481157. The reversal of 54481155 is 55118445.
54481155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (54481153) and next prime (54481157).
It is a cyclic number.
It is not a de Polignac number, because 54481155 - 21 = 54481153 is a prime.
It is not an unprimeable number, because it can be changed into a prime (54481153) 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, 21274 + ... + 23696.
It is an arithmetic number, because the mean of its divisors is an integer number (5454000).
Almost surely, 254481155 is an apocalyptic number.
54481155 is a deficient number, since it is larger than the sum of its proper divisors (32782845).
54481155 is a wasteful number, since it uses less digits than its factorization.
54481155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3930.
The product of its digits is 16000, while the sum is 33.
The square root of 54481155 is about 7381.1350753119. The cubic root of 54481155 is about 379.0956217304.
The spelling of 54481155 in words is "fifty-four million, four hundred eighty-one thousand, one hundred fifty-five".
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