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8914189 is a prime number
BaseRepresentation
bin100010000000…
…010100001101
3121202212222011
4202000110031
54240223224
6515021221
7135524614
oct42002415
917685864
108914189
1150393a9
122b9a811
131b0158b
14128087b
15bb1394
hex88050d

8914189 has 2 divisors, whose sum is σ = 8914190. Its totient is φ = 8914188.

The previous prime is 8914187. The next prime is 8914247. The reversal of 8914189 is 9814198.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8076964 + 837225 = 2842^2 + 915^2 .

It is a cyclic number.

It is not a de Polignac number, because 8914189 - 21 = 8914187 is a prime.

Together with 8914187, it forms a pair of twin primes.

8914189 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8914181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4457094 + 4457095.

It is an arithmetic number, because the mean of its divisors is an integer number (4457095).

Almost surely, 28914189 is an apocalyptic number.

It is an amenable number.

8914189 is a deficient number, since it is larger than the sum of its proper divisors (1).

8914189 is an equidigital number, since it uses as much as digits as its factorization.

8914189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 40.

The square root of 8914189 is about 2985.6639127671. The cubic root of 8914189 is about 207.3451808819.

Subtracting 8914189 from its reverse (9814198), we obtain a palindrome (900009).

The spelling of 8914189 in words is "eight million, nine hundred fourteen thousand, one hundred eighty-nine".