Base | Representation |
---|---|
bin | 101011011101110… |
… | …111000100010100 |
3 | 1212211012122012221 |
4 | 223131313010110 |
5 | 2443141414040 |
6 | 200210152124 |
7 | 24033335344 |
oct | 5335670424 |
9 | 1784178187 |
10 | 729248020 |
11 | 344706916 |
12 | 184282644 |
13 | b8110007 |
14 | 6cbccd24 |
15 | 4404d74a |
hex | 2b777114 |
729248020 has 24 divisors (see below), whose sum is σ = 1532160000. Its totient is φ = 291558432.
The previous prime is 729247957. The next prime is 729248057. The reversal of 729248020 is 20842927.
It is a congruent number.
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, 40381 + ... + 55579.
It is an arithmetic number, because the mean of its divisors is an integer number (63840000).
Almost surely, 2729248020 is an apocalyptic number.
It is an amenable number.
729248020 is an abundant number, since it is smaller than the sum of its proper divisors (802911980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
729248020 is a wasteful number, since it uses less digits than its factorization.
729248020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17607 (or 17605 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 34.
The square root of 729248020 is about 27004.5925723755. The cubic root of 729248020 is about 900.1020542709.
The spelling of 729248020 in words is "seven hundred twenty-nine million, two hundred forty-eight thousand, twenty".
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