Base | Representation |
---|---|
bin | 1101000011000… |
… | …1100010001010 |
3 | 10210222111212011 |
4 | 3100301202022 |
5 | 103002310332 |
6 | 5233010134 |
7 | 1233121210 |
oct | 320614212 |
9 | 123874764 |
10 | 54728842 |
11 | 28990653 |
12 | 163b394a |
13 | b45293c |
14 | 73a8cb0 |
15 | 4c10e47 |
hex | 343188a |
54728842 has 16 divisors (see below), whose sum is σ = 93968640. Its totient is φ = 23418288.
The previous prime is 54728819. The next prime is 54728851. The reversal of 54728842 is 24882745.
It is a super-2 number, since 2×547288422 = 5990492293321928, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 54728795 and 54728804.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7348 + ... + 12784.
It is an arithmetic number, because the mean of its divisors is an integer number (5873040).
Almost surely, 254728842 is an apocalyptic number.
54728842 is a deficient number, since it is larger than the sum of its proper divisors (39239798).
54728842 is a wasteful number, since it uses less digits than its factorization.
54728842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6165.
The product of its digits is 143360, while the sum is 40.
The square root of 54728842 is about 7397.8944301740. The cubic root of 54728842 is about 379.6692458960.
The spelling of 54728842 in words is "fifty-four million, seven hundred twenty-eight thousand, eight hundred forty-two".
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