Base | Representation |
---|---|
bin | 1101000100011… |
… | …0100100011001 |
3 | 10211010220001020 |
4 | 3101012210121 |
5 | 103013040001 |
6 | 5234513053 |
7 | 1233630333 |
oct | 321064431 |
9 | 124126036 |
10 | 54815001 |
11 | 28a3a35a |
12 | 16435789 |
13 | b482c17 |
14 | 73cc453 |
15 | 4c2b736 |
hex | 3446919 |
54815001 has 4 divisors (see below), whose sum is σ = 73086672. Its totient is φ = 36543332.
The previous prime is 54814999. The next prime is 54815009. The reversal of 54815001 is 10051845.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 54815001 - 21 = 54814999 is a prime.
It is not an unprimeable number, because it can be changed into a prime (54815009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9135831 + ... + 9135836.
It is an arithmetic number, because the mean of its divisors is an integer number (18271668).
Almost surely, 254815001 is an apocalyptic number.
It is an amenable number.
54815001 is a deficient number, since it is larger than the sum of its proper divisors (18271671).
54815001 is a wasteful number, since it uses less digits than its factorization.
54815001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18271670.
The product of its (nonzero) digits is 800, while the sum is 24.
The square root of 54815001 is about 7403.7153510923. The cubic root of 54815001 is about 379.8683777757.
Adding to 54815001 its reverse (10051845), we get a palindrome (64866846).
The spelling of 54815001 in words is "fifty-four million, eight hundred fifteen thousand, one".
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