Base | Representation |
---|---|
bin | 101011011001010… |
… | …010111001010011 |
3 | 1212201221211121100 |
4 | 223121102321103 |
5 | 2442340120113 |
6 | 200124355443 |
7 | 24020222331 |
oct | 5331227123 |
9 | 1781854540 |
10 | 728051283 |
11 | 343a69783 |
12 | 1839a5b83 |
13 | b7ab139b |
14 | 6c99ab51 |
15 | 43db3d73 |
hex | 2b652e53 |
728051283 has 6 divisors (see below), whose sum is σ = 1051629644. Its totient is φ = 485367516.
The previous prime is 728051273. The next prime is 728051341. The reversal of 728051283 is 382150827.
It is not a de Polignac number, because 728051283 - 220 = 727002707 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (728051243) 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, 40447285 + ... + 40447302.
Almost surely, 2728051283 is an apocalyptic number.
728051283 is a deficient number, since it is larger than the sum of its proper divisors (323578361).
728051283 is a wasteful number, since it uses less digits than its factorization.
728051283 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80894593 (or 80894590 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The square root of 728051283 is about 26982.4254469460. The cubic root of 728051283 is about 899.6094119960.
It can be divided in two parts, 72805 and 1283, that added together give a cube (74088 = 423).
The spelling of 728051283 in words is "seven hundred twenty-eight million, fifty-one thousand, two hundred eighty-three".
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