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104668189 is a prime number
BaseRepresentation
bin1100011110100…
…01110000011101
321021221200202121
412033101300131
5203243340224
614215222541
72410444033
oct617216035
9237850677
10104668189
115409a83a
122b077a51
13188b9552
14dc88553
1592c7be4
hex63d1c1d

104668189 has 2 divisors, whose sum is σ = 104668190. Its totient is φ = 104668188.

The previous prime is 104668159. The next prime is 104668309. The reversal of 104668189 is 981866401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103327225 + 1340964 = 10165^2 + 1158^2 .

It is a cyclic number.

It is not a de Polignac number, because 104668189 - 217 = 104537117 is a prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104668159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52334094 + 52334095.

It is an arithmetic number, because the mean of its divisors is an integer number (52334095).

Almost surely, 2104668189 is an apocalyptic number.

It is an amenable number.

104668189 is a deficient number, since it is larger than the sum of its proper divisors (1).

104668189 is an equidigital number, since it uses as much as digits as its factorization.

104668189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 104668189 is about 10230.7472356617. The cubic root of 104668189 is about 471.2719267355.

The spelling of 104668189 in words is "one hundred four million, six hundred sixty-eight thousand, one hundred eighty-nine".