Base | Representation |
---|---|
bin | 101011011001010… |
… | …010101001000011 |
3 | 1212201221210011211 |
4 | 223121102221003 |
5 | 2442340101433 |
6 | 200124350551 |
7 | 24020216314 |
oct | 5331225103 |
9 | 1781853154 |
10 | 728050243 |
11 | 343a68a18 |
12 | 1839a5457 |
13 | b7ab0a7b |
14 | 6c99a60b |
15 | 43db38cd |
hex | 2b652a43 |
728050243 has 16 divisors (see below), whose sum is σ = 773742816. Its totient is φ = 684149760.
The previous prime is 728050223. The next prime is 728050261. The reversal of 728050243 is 342050827.
It is a cyclic number.
It is not a de Polignac number, because 728050243 - 225 = 694495811 is a prime.
It is not an unprimeable number, because it can be changed into a prime (728050223) 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, 125871 + ... + 131527.
It is an arithmetic number, because the mean of its divisors is an integer number (48358926).
Almost surely, 2728050243 is an apocalyptic number.
728050243 is a gapful number since it is divisible by the number (73) formed by its first and last digit.
728050243 is a deficient number, since it is larger than the sum of its proper divisors (45692573).
728050243 is a wasteful number, since it uses less digits than its factorization.
728050243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5814.
The product of its (nonzero) digits is 13440, while the sum is 31.
The square root of 728050243 is about 26982.4061751357. The cubic root of 728050243 is about 899.6089836406.
The spelling of 728050243 in words is "seven hundred twenty-eight million, fifty thousand, two hundred forty-three".
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