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3072169 is a prime number
BaseRepresentation
bin1011101110000010101001
312210002020001
423232002221
51241302134
6145503001
735053522
oct13560251
95702201
103072169
111809191
121041a61
13837469
1459d849
1540a414
hex2ee0a9

3072169 has 2 divisors, whose sum is σ = 3072170. Its totient is φ = 3072168.

The previous prime is 3072163. The next prime is 3072197. The reversal of 3072169 is 9612703.

3072169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (3072197) can be obtained adding 3072169 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2371600 + 700569 = 1540^2 + 837^2 .

It is a cyclic number.

It is not a de Polignac number, because 3072169 - 23 = 3072161 is a prime.

It is a super-2 number, since 2×30721692 = 18876444729122, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (3072161) 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, 1536084 + 1536085.

It is an arithmetic number, because the mean of its divisors is an integer number (1536085).

Almost surely, 23072169 is an apocalyptic number.

It is an amenable number.

3072169 is a deficient number, since it is larger than the sum of its proper divisors (1).

3072169 is an equidigital number, since it uses as much as digits as its factorization.

3072169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 3072169 is about 1752.7603943494. The cubic root of 3072169 is about 145.3723131188.

The spelling of 3072169 in words is "three million, seventy-two thousand, one hundred sixty-nine".