Search a number
-
+
89506369 is a prime number
BaseRepresentation
bin1010101010111…
…00001001000001
320020102101122201
411111130021001
5140403200434
612514233201
72134535341
oct525341101
9206371581
1089506369
1146584507
1225b85801
131570b364
14bc5cd21
157cd0614
hex555c241

89506369 has 2 divisors, whose sum is σ = 89506370. Its totient is φ = 89506368.

The previous prime is 89506357. The next prime is 89506379. The reversal of 89506369 is 96360598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75481344 + 14025025 = 8688^2 + 3745^2 .

It is a cyclic number.

It is not a de Polignac number, because 89506369 - 211 = 89504321 is a prime.

It is a super-2 number, since 2×895063692 = 16022780183128322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89506379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44753184 + 44753185.

It is an arithmetic number, because the mean of its divisors is an integer number (44753185).

Almost surely, 289506369 is an apocalyptic number.

It is an amenable number.

89506369 is a deficient number, since it is larger than the sum of its proper divisors (1).

89506369 is an equidigital number, since it uses as much as digits as its factorization.

89506369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 89506369 is about 9460.7805703335. The cubic root of 89506369 is about 447.3196535127.

The spelling of 89506369 in words is "eighty-nine million, five hundred six thousand, three hundred sixty-nine".