Base | Representation |
---|---|
bin | 1100111110010… |
… | …0110001010101 |
3 | 10210101112112221 |
4 | 3033210301111 |
5 | 102412230141 |
6 | 5222142341 |
7 | 1230341425 |
oct | 317446125 |
9 | 123345487 |
10 | 54414421 |
11 | 287963a6 |
12 | 162819b1 |
13 | b3727a9 |
14 | 7326485 |
15 | 4b9cbd1 |
hex | 33e4c55 |
54414421 has 4 divisors (see below), whose sum is σ = 55741644. Its totient is φ = 53087200.
The previous prime is 54414403. The next prime is 54414439. The reversal of 54414421 is 12441445.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12441445 = 5 ⋅2488289.
It is an interprime number because it is at equal distance from previous prime (54414403) and next prime (54414439).
It can be written as a sum of positive squares in 2 ways, for example, as 15800625 + 38613796 = 3975^2 + 6214^2 .
It is a cyclic number.
It is not a de Polignac number, because 54414421 - 213 = 54406229 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 (54414721) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663550 + ... + 663631.
It is an arithmetic number, because the mean of its divisors is an integer number (13935411).
Almost surely, 254414421 is an apocalyptic number.
It is an amenable number.
54414421 is a deficient number, since it is larger than the sum of its proper divisors (1327223).
54414421 is a wasteful number, since it uses less digits than its factorization.
54414421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1327222.
The product of its digits is 2560, while the sum is 25.
The square root of 54414421 is about 7376.6131117200. The cubic root of 54414421 is about 378.9407736693.
Adding to 54414421 its reverse (12441445), we get a palindrome (66855866).
The spelling of 54414421 in words is "fifty-four million, four hundred fourteen thousand, four hundred twenty-one".
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