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289538107 is a prime number
BaseRepresentation
bin10001010000100…
…000000000111011
3202011211001121121
4101100200000323
51043110204412
644421450111
710114014265
oct2120400073
9664731547
10289538107
111394892a1
1280b70937
1347ca6c31
142a64cb35
151a644107
hex1142003b

289538107 has 2 divisors, whose sum is σ = 289538108. Its totient is φ = 289538106.

The previous prime is 289538083. The next prime is 289538111. The reversal of 289538107 is 701835982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 289538107 - 211 = 289536059 is a prime.

It is not a weakly prime, because it can be changed into another prime (289538177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144769053 + 144769054.

It is an arithmetic number, because the mean of its divisors is an integer number (144769054).

Almost surely, 2289538107 is an apocalyptic number.

289538107 is a deficient number, since it is larger than the sum of its proper divisors (1).

289538107 is an equidigital number, since it uses as much as digits as its factorization.

289538107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 289538107 is about 17015.8193161540. The cubic root of 289538107 is about 661.5589921236.

The spelling of 289538107 in words is "two hundred eighty-nine million, five hundred thirty-eight thousand, one hundred seven".