Base | Representation |
---|---|
bin | 101011011110100… |
… | …011101101000000 |
3 | 1212211112221000100 |
4 | 223132203231000 |
5 | 2443213241343 |
6 | 200214122400 |
7 | 24035026356 |
oct | 5336435500 |
9 | 1784487010 |
10 | 729430848 |
11 | 344821213 |
12 | 184350400 |
13 | b81752b3 |
14 | 6cc397d6 |
15 | 440879d3 |
hex | 2b7a3b40 |
729430848 has 42 divisors (see below), whose sum is σ = 2090783474. Its totient is φ = 243143424.
The previous prime is 729430847. The next prime is 729430853. The reversal of 729430848 is 848034927.
729430848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 494973504 + 234457344 = 22248^2 + 15312^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (729430847) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 632611 + ... + 633762.
Almost surely, 2729430848 is an apocalyptic number.
It is an amenable number.
729430848 is an abundant number, since it is smaller than the sum of its proper divisors (1361352626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
729430848 is a wasteful number, since it uses less digits than its factorization.
729430848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1266391 (or 1266378 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 45.
The square root of 729430848 is about 27007.9774881423. The cubic root of 729430848 is about 900.1772687856.
The spelling of 729430848 in words is "seven hundred twenty-nine million, four hundred thirty thousand, eight hundred forty-eight".
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