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75092089 is a prime number
BaseRepresentation
bin1000111100111…
…01000001111001
312020022001222111
410132131001321
5123210421324
611241252321
71601162242
oct436350171
9166261874
1075092089
1139429886
12211940a1
13127324b7
149d89cc9
1568d4794
hex479d079

75092089 has 2 divisors, whose sum is σ = 75092090. Its totient is φ = 75092088.

The previous prime is 75092071. The next prime is 75092093. The reversal of 75092089 is 98029057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72386064 + 2706025 = 8508^2 + 1645^2 .

It is a cyclic number.

It is not a de Polignac number, because 75092089 - 25 = 75092057 is a prime.

It is not a weakly prime, because it can be changed into another prime (75092789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37546044 + 37546045.

It is an arithmetic number, because the mean of its divisors is an integer number (37546045).

Almost surely, 275092089 is an apocalyptic number.

It is an amenable number.

75092089 is a deficient number, since it is larger than the sum of its proper divisors (1).

75092089 is an equidigital number, since it uses as much as digits as its factorization.

75092089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 75092089 is about 8665.5691676889. The cubic root of 75092089 is about 421.8888639907. Note that the first 4 decimals are identical.

The spelling of 75092089 in words is "seventy-five million, ninety-two thousand, eighty-nine".