Search a number
-
+
73805983 is a prime number
BaseRepresentation
bin1000110011000…
…11000010011111
312010212201202221
410121203002133
5122343242413
611153530211
71554224536
oct431430237
9163781687
1073805983
1138730589
1220873967
13123a1ca4
149b3331d
15672d68d
hex466309f

73805983 has 2 divisors, whose sum is σ = 73805984. Its totient is φ = 73805982.

The previous prime is 73805981. The next prime is 73805999. The reversal of 73805983 is 38950837.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (38950837) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73805983 - 21 = 73805981 is a prime.

Together with 73805981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73805981) 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 as a sum of consecutive naturals, namely, 36902991 + 36902992.

It is an arithmetic number, because the mean of its divisors is an integer number (36902992).

Almost surely, 273805983 is an apocalyptic number.

73805983 is a deficient number, since it is larger than the sum of its proper divisors (1).

73805983 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 11 representation: 73805983 = (38730589)11.

73805983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 73805983 is about 8591.0408566134. The cubic root of 73805983 is about 419.4664104450.

The spelling of 73805983 in words is "seventy-three million, eight hundred five thousand, nine hundred eighty-three".