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4389169 is a prime number
BaseRepresentation
bin10000101111100100110001
322020222210211
4100233210301
52110423134
6234024121
752210261
oct20574461
98228724
104389169
112528714
121578041
13ba8a55
148237a1
155ba764
hex42f931

4389169 has 2 divisors, whose sum is σ = 4389170. Its totient is φ = 4389168.

The previous prime is 4389137. The next prime is 4389191. The reversal of 4389169 is 9619834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4389025 + 144 = 2095^2 + 12^2 .

It is a cyclic number.

It is not a de Polignac number, because 4389169 - 25 = 4389137 is a prime.

It is a super-2 number, since 2×43891692 = 38529609021122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4389269) 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, 2194584 + 2194585.

It is an arithmetic number, because the mean of its divisors is an integer number (2194585).

Almost surely, 24389169 is an apocalyptic number.

It is an amenable number.

4389169 is a deficient number, since it is larger than the sum of its proper divisors (1).

4389169 is an equidigital number, since it uses as much as digits as its factorization.

4389169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 4389169 is about 2095.0343672599. The cubic root of 4389169 is about 163.7296880580.

The spelling of 4389169 in words is "four million, three hundred eighty-nine thousand, one hundred sixty-nine".