Base | Representation |
---|---|
bin | 1100111001111… |
… | …0111111110110 |
3 | 10202212000112002 |
4 | 3032132333312 |
5 | 102324104010 |
6 | 5212055302 |
7 | 1225041263 |
oct | 316367766 |
9 | 122760462 |
10 | 54128630 |
11 | 28610706 |
12 | 16164532 |
13 | b2a269a |
14 | 729026a |
15 | 4b431a5 |
hex | 339eff6 |
54128630 has 16 divisors (see below), whose sum is σ = 98886960. Its totient is φ = 21328032.
The previous prime is 54128623. The next prime is 54128647. The reversal of 54128630 is 3682145.
It is a junction number, because it is equal to n+sod(n) for n = 54128593 and 54128602.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39725 + ... + 41064.
It is an arithmetic number, because the mean of its divisors is an integer number (6180435).
Almost surely, 254128630 is an apocalyptic number.
54128630 is a deficient number, since it is larger than the sum of its proper divisors (44758330).
54128630 is a wasteful number, since it uses less digits than its factorization.
54128630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80863.
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 54128630 is about 7357.2161854876. The cubic root of 54128630 is about 378.2761948465.
The spelling of 54128630 in words is "fifty-four million, one hundred twenty-eight thousand, six hundred thirty".
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