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730070730 = 232522393623
BaseRepresentation
bin101011100000111…
…111111011001010
31212212202102202200
4223200333323022
52443344230410
6200235541030
724043333044
oct5340777312
91785672680
10730070730
11345118a44
121845ba776
13b833a61c
146cd64a94
15441623c0
hex2b83feca

730070730 has 48 divisors (see below), whose sum is σ = 1899555840. Its totient is φ = 194544864.

The previous prime is 730070713. The next prime is 730070741. The reversal of 730070730 is 37070037.

It is a junction number, because it is equal to n+sod(n) for n = 730070694 and 730070703.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199699 + ... + 203321.

It is an arithmetic number, because the mean of its divisors is an integer number (39574080).

Almost surely, 2730070730 is an apocalyptic number.

730070730 is an abundant number, since it is smaller than the sum of its proper divisors (1169485110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730070730 is a wasteful number, since it uses less digits than its factorization.

730070730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5875 (or 5872 counting only the distinct ones).

The product of its (nonzero) digits is 3087, while the sum is 27.

The square root of 730070730 is about 27019.8210578827. The cubic root of 730070730 is about 900.4404140783.

The spelling of 730070730 in words is "seven hundred thirty million, seventy thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2239 3623 4478 6717 7246 10869 11195 13434 18115 20151 21738 22390 32607 33585 36230 40302 54345 65214 67170 100755 108690 163035 201510 326070 8111897 16223794 24335691 40559485 48671382 73007073 81118970 121678455 146014146 243356910 365035365 730070730