Search a number
-
+
89200889 is a prime number
BaseRepresentation
bin1010101000100…
…01100011111001
320012211212121122
411110101203321
5140313412024
612503515025
72132123621
oct524214371
9205755548
1089200889
1146395a48
1225a58a75
13156322bb
14bbbd881
157c6ed5e
hex55118f9

89200889 has 2 divisors, whose sum is σ = 89200890. Its totient is φ = 89200888.

The previous prime is 89200841. The next prime is 89200907. The reversal of 89200889 is 98800298.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88360000 + 840889 = 9400^2 + 917^2 .

It is a cyclic number.

It is not a de Polignac number, because 89200889 - 28 = 89200633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (89203889) 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, 44600444 + 44600445.

It is an arithmetic number, because the mean of its divisors is an integer number (44600445).

Almost surely, 289200889 is an apocalyptic number.

It is an amenable number.

89200889 is a deficient number, since it is larger than the sum of its proper divisors (1).

89200889 is an equidigital number, since it uses as much as digits as its factorization.

89200889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 89200889 is about 9444.6222264313. The cubic root of 89200889 is about 446.8101815387.

The spelling of 89200889 in words is "eighty-nine million, two hundred thousand, eight hundred eighty-nine".