Base | Representation |
---|---|
bin | 1100111110010… |
… | …0011101000001 |
3 | 10210101110202210 |
4 | 3033210131001 |
5 | 102412204441 |
6 | 5222132333 |
7 | 1230334560 |
oct | 317443501 |
9 | 123343683 |
10 | 54413121 |
11 | 28795424 |
12 | 162810a9 |
13 | b372019 |
14 | 7325bd7 |
15 | 4b9c616 |
hex | 33e4741 |
54413121 has 16 divisors (see below), whose sum is σ = 83219328. Its totient is φ = 30979200.
The previous prime is 54413113. The next prime is 54413123. The reversal of 54413121 is 12131445.
54413121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 54413121 - 23 = 54413113 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (54413123) 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, 1291 + ... + 10511.
It is an arithmetic number, because the mean of its divisors is an integer number (5201208).
Almost surely, 254413121 is an apocalyptic number.
It is an amenable number.
54413121 is a deficient number, since it is larger than the sum of its proper divisors (28806207).
54413121 is a wasteful number, since it uses less digits than its factorization.
54413121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9512.
The product of its digits is 480, while the sum is 21.
The square root of 54413121 is about 7376.5249948739. The cubic root of 54413121 is about 378.9377559219.
Adding to 54413121 its reverse (12131445), we get a palindrome (66544566).
The spelling of 54413121 in words is "fifty-four million, four hundred thirteen thousand, one hundred twenty-one".
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