Search a number
-
+
32984909 is a prime number
BaseRepresentation
bin111110111010…
…0111101001101
32022001210210022
41331310331031
531421004114
63134551525
7550236626
oct175647515
968053708
1032984909
111768a061
12b0685a5
136aab7c9
144548a4d
152d6848e
hex1f74f4d

32984909 has 2 divisors, whose sum is σ = 32984910. Its totient is φ = 32984908.

The previous prime is 32984881. The next prime is 32984911. The reversal of 32984909 is 90948923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21949225 + 11035684 = 4685^2 + 3322^2 .

It is a cyclic number.

It is not a de Polignac number, because 32984909 - 212 = 32980813 is a prime.

Together with 32984911, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32984909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32984309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16492454 + 16492455.

It is an arithmetic number, because the mean of its divisors is an integer number (16492455).

Almost surely, 232984909 is an apocalyptic number.

It is an amenable number.

32984909 is a deficient number, since it is larger than the sum of its proper divisors (1).

32984909 is an equidigital number, since it uses as much as digits as its factorization.

32984909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 32984909 is about 5743.2489933834. The cubic root of 32984909 is about 320.7045317056.

The spelling of 32984909 in words is "thirty-two million, nine hundred eighty-four thousand, nine hundred nine".