Search a number
-
+
32850989 is a prime number
BaseRepresentation
bin111110101010…
…0010000101101
32021211000002022
41331110100231
531402212424
63132035525
7546141323
oct175242055
967730068
1032850989
11175a8486
12b002ba5
136a62872
144511d13
152d3d95e
hex1f5442d

32850989 has 2 divisors, whose sum is σ = 32850990. Its totient is φ = 32850988.

The previous prime is 32850977. The next prime is 32850991. The reversal of 32850989 is 98905823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20775364 + 12075625 = 4558^2 + 3475^2 .

It is an emirp because it is prime and its reverse (98905823) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32850989 - 28 = 32850733 is a prime.

Together with 32850991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32850589) 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, 16425494 + 16425495.

It is an arithmetic number, because the mean of its divisors is an integer number (16425495).

Almost surely, 232850989 is an apocalyptic number.

It is an amenable number.

32850989 is a deficient number, since it is larger than the sum of its proper divisors (1).

32850989 is an equidigital number, since it uses as much as digits as its factorization.

32850989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 32850989 is about 5731.5782294234. The cubic root of 32850989 is about 320.2699187450.

The spelling of 32850989 in words is "thirty-two million, eight hundred fifty thousand, nine hundred eighty-nine".