Base | Representation |
---|---|
bin | 1101000101110… |
… | …0011010010101 |
3 | 10211022102202212 |
4 | 3101130122111 |
5 | 103023420334 |
6 | 5240443205 |
7 | 1234452224 |
oct | 321343225 |
9 | 124272685 |
10 | 54904469 |
11 | 28aa05a4 |
12 | 16479505 |
13 | b4b4869 |
14 | 7412cbb |
15 | 4c47ece |
hex | 345c695 |
54904469 has 4 divisors (see below), whose sum is σ = 54961644. Its totient is φ = 54847296.
The previous prime is 54904463. The next prime is 54904477. The reversal of 54904469 is 96440945.
54904469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 22562500 + 32341969 = 4750^2 + 5687^2 .
It is a cyclic number.
It is not a de Polignac number, because 54904469 - 216 = 54838933 is a prime.
It is a super-2 number, since 2×549044692 = 6029001432343922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54904463) 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 3 ways as a sum of consecutive naturals, for example, 27122 + ... + 29075.
It is an arithmetic number, because the mean of its divisors is an integer number (13740411).
Almost surely, 254904469 is an apocalyptic number.
It is an amenable number.
54904469 is a deficient number, since it is larger than the sum of its proper divisors (57175).
54904469 is an equidigital number, since it uses as much as digits as its factorization.
54904469 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57174.
The product of its (nonzero) digits is 155520, while the sum is 41.
The square root of 54904469 is about 7409.7549892017. The cubic root of 54904469 is about 380.0749367449.
The spelling of 54904469 in words is "fifty-four million, nine hundred four thousand, four hundred sixty-nine".
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