Base | Representation |
---|---|
bin | 101011100100000… |
… | …011010010011010 |
3 | 1212221021002110000 |
4 | 223210003102122 |
5 | 2444100332223 |
6 | 200305033430 |
7 | 24053205030 |
oct | 5344032232 |
9 | 1787232400 |
10 | 730870938 |
11 | 345615176 |
12 | 184925876 |
13 | b855a915 |
14 | 6d0d2550 |
15 | 4426e543 |
hex | 2b90349a |
730870938 has 40 divisors (see below), whose sum is σ = 1871651232. Its totient is φ = 208819944.
The previous prime is 730870927. The next prime is 730870939. The reversal of 730870938 is 839078037.
It is a junction number, because it is equal to n+sod(n) for n = 730870893 and 730870902.
It is not an unprimeable number, because it can be changed into a prime (730870939) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 321120 + ... + 323387.
Almost surely, 2730870938 is an apocalyptic number.
730870938 is an abundant number, since it is smaller than the sum of its proper divisors (1140780294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
730870938 is a wasteful number, since it uses less digits than its factorization.
730870938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 644528 (or 644519 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 45.
The square root of 730870938 is about 27034.6247985801. The cubic root of 730870938 is about 900.7692756071.
The spelling of 730870938 in words is "seven hundred thirty million, eight hundred seventy thousand, nine hundred thirty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •