Base | Representation |
---|---|
bin | 101011011011101… |
… | …010101011010111 |
3 | 1212210010102102021 |
4 | 223123222223113 |
5 | 2443020013413 |
6 | 200145554011 |
7 | 24025422013 |
oct | 5333525327 |
9 | 1783112367 |
10 | 728672983 |
11 | 344353885 |
12 | 184045907 |
13 | b7c6b35c |
14 | 6cabd543 |
15 | 43e8818d |
hex | 2b6eaad7 |
728672983 has 2 divisors, whose sum is σ = 728672984. Its totient is φ = 728672982.
The previous prime is 728672981. The next prime is 728673017. The reversal of 728672983 is 389276827.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 728672983 - 21 = 728672981 is a prime.
Together with 728672981, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 728672983.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (728672981) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364336491 + 364336492.
It is an arithmetic number, because the mean of its divisors is an integer number (364336492).
Almost surely, 2728672983 is an apocalyptic number.
728672983 is a deficient number, since it is larger than the sum of its proper divisors (1).
728672983 is an equidigital number, since it uses as much as digits as its factorization.
728672983 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2032128, while the sum is 52.
The square root of 728672983 is about 26993.9434503372. The cubic root of 728672983 is about 899.8654049752.
The spelling of 728672983 in words is "seven hundred twenty-eight million, six hundred seventy-two thousand, nine hundred eighty-three".
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