Base | Representation |
---|---|
bin | 1100111111101… |
… | …1101000001111 |
3 | 10210120021222120 |
4 | 3033323220033 |
5 | 102423224142 |
6 | 5224144023 |
7 | 1231211406 |
oct | 317735017 |
9 | 123507876 |
10 | 54508047 |
11 | 2884a780 |
12 | 16308013 |
13 | b3a62a9 |
14 | 734c63d |
15 | 4bba7ec |
hex | 33fba0f |
54508047 has 32 divisors (see below), whose sum is σ = 82114560. Its totient is φ = 31876320.
The previous prime is 54508039. The next prime is 54508061. The reversal of 54508047 is 74080545.
It is not a de Polignac number, because 54508047 - 23 = 54508039 is a prime.
It is a super-2 number, since 2×545080472 = 5942254375508418, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 54507999 and 54508017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54508007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151654 + ... + 152012.
It is an arithmetic number, because the mean of its divisors is an integer number (2566080).
Almost surely, 254508047 is an apocalyptic number.
54508047 is a deficient number, since it is larger than the sum of its proper divisors (27606513).
54508047 is a wasteful number, since it uses less digits than its factorization.
54508047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 523.
The product of its (nonzero) digits is 22400, while the sum is 33.
The square root of 54508047 is about 7382.9565216111. The cubic root of 54508047 is about 379.1579855732.
The spelling of 54508047 in words is "fifty-four million, five hundred eight thousand, forty-seven".
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