Base | Representation |
---|---|
bin | 1100111100010… |
… | …0111101011001 |
3 | 10210010220211000 |
4 | 3033010331121 |
5 | 102344042441 |
6 | 5215255213 |
7 | 1226256513 |
oct | 317047531 |
9 | 123126730 |
10 | 54284121 |
11 | 28707511 |
12 | 1621a509 |
13 | b3283a8 |
14 | 72d0bb3 |
15 | 4b742b6 |
hex | 33c4f59 |
54284121 has 16 divisors (see below), whose sum is σ = 84654400. Its totient is φ = 34284384.
The previous prime is 54284119. The next prime is 54284147. The reversal of 54284121 is 12148245.
It is not a de Polignac number, because 54284121 - 21 = 54284119 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54284101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52396 + ... + 53421.
It is an arithmetic number, because the mean of its divisors is an integer number (5290900).
Almost surely, 254284121 is an apocalyptic number.
It is an amenable number.
54284121 is a deficient number, since it is larger than the sum of its proper divisors (30370279).
54284121 is a wasteful number, since it uses less digits than its factorization.
54284121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105845 (or 105839 counting only the distinct ones).
The product of its digits is 2560, while the sum is 27.
The square root of 54284121 is about 7367.7758516394. The cubic root of 54284121 is about 378.6380631862.
The spelling of 54284121 in words is "fifty-four million, two hundred eighty-four thousand, one hundred twenty-one".
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