Base | Representation |
---|---|
bin | 1101000011011… |
… | …0101010000001 |
3 | 10211000120122022 |
4 | 3100312222001 |
5 | 103003443300 |
6 | 5233251225 |
7 | 1233236324 |
oct | 320665201 |
9 | 124016568 |
10 | 54749825 |
11 | 289a5399 |
12 | 16403b15 |
13 | b45c360 |
14 | 73b27bb |
15 | 4c17285 |
hex | 3436a81 |
54749825 has 48 divisors (see below), whose sum is σ = 78172080. Its totient is φ = 37739520.
The previous prime is 54749797. The next prime is 54749831. The reversal of 54749825 is 52894745.
It is a happy number.
It can be written as a sum of positive squares in 24 ways, for example, as 38241856 + 16507969 = 6184^2 + 4063^2 .
It is not a de Polignac number, because 54749825 - 218 = 54487681 is a prime.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 348647 + ... + 348803.
It is an arithmetic number, because the mean of its divisors is an integer number (1628585).
Almost surely, 254749825 is an apocalyptic number.
It is an amenable number.
54749825 is a deficient number, since it is larger than the sum of its proper divisors (23422255).
54749825 is a wasteful number, since it uses less digits than its factorization.
54749825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 246 (or 241 counting only the distinct ones).
The product of its digits is 403200, while the sum is 44.
The square root of 54749825 is about 7399.3124680608. The cubic root of 54749825 is about 379.7177613380.
The spelling of 54749825 in words is "fifty-four million, seven hundred forty-nine thousand, eight hundred twenty-five".
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