Base | Representation |
---|---|
bin | 1101000101010… |
… | …0011101001000 |
3 | 10211020210001212 |
4 | 3101110131020 |
5 | 103021400010 |
6 | 5240032252 |
7 | 1234255220 |
oct | 321243510 |
9 | 124223055 |
10 | 54871880 |
11 | 28a79068 |
12 | 16462688 |
13 | b4a2a8b |
14 | 7405080 |
15 | 4c3d505 |
hex | 3454748 |
54871880 has 32 divisors (see below), whose sum is σ = 141099840. Its totient is φ = 18813120.
The previous prime is 54871819. The next prime is 54871897. The reversal of 54871880 is 8817845.
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 7 ways as a sum of consecutive naturals, for example, 97706 + ... + 98265.
It is an arithmetic number, because the mean of its divisors is an integer number (4409370).
Almost surely, 254871880 is an apocalyptic number.
It is an amenable number.
54871880 is an abundant number, since it is smaller than the sum of its proper divisors (86227960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54871880 is a wasteful number, since it uses less digits than its factorization.
54871880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 195989 (or 195985 counting only the distinct ones).
The product of its (nonzero) digits is 71680, while the sum is 41.
The square root of 54871880 is about 7407.5556022213. Note that the first 3 decimals coincide. The cubic root of 54871880 is about 379.9997229915. Note that the first 3 decimals are identical.
The spelling of 54871880 in words is "fifty-four million, eight hundred seventy-one thousand, eight hundred eighty".
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