Base | Representation |
---|---|
bin | 101011100011010… |
… | …101011000000000 |
3 | 1212220220112110220 |
4 | 223203111120000 |
5 | 2444023323010 |
6 | 200301023040 |
7 | 24051462534 |
oct | 5343253000 |
9 | 1786815426 |
10 | 730682880 |
11 | 3454a6954 |
12 | 184854a80 |
13 | b84c3145 |
14 | 6d083bc4 |
15 | 44233970 |
hex | 2b8d5600 |
730682880 has 160 divisors (see below), whose sum is σ = 2364357600. Its totient is φ = 192479232.
The previous prime is 730682851. The next prime is 730682881. The reversal of 730682880 is 88286037.
It is a tau number, because it is divible by the number of its divisors (160).
It is a super-2 number, since 2×7306828802 = 1067794942250188800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (730682881) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682986 + ... + 684054.
It is an arithmetic number, because the mean of its divisors is an integer number (14777235).
Almost surely, 2730682880 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 730682880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1182178800).
730682880 is an abundant number, since it is smaller than the sum of its proper divisors (1633674720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
730682880 is a wasteful number, since it uses less digits than its factorization.
730682880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1184 (or 1168 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 42.
The square root of 730682880 is about 27031.1464795706. The cubic root of 730682880 is about 900.6920109855.
The spelling of 730682880 in words is "seven hundred thirty million, six hundred eighty-two thousand, eight hundred eighty".
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