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3074389 is a prime number
BaseRepresentation
bin1011101110100101010101
312210012021021
423232211111
51241340024
6145521141
735063143
oct13564525
95705237
103074389
11180a91a
1210431b1
13838486
145a0593
1540ade4
hex2ee955

3074389 has 2 divisors, whose sum is σ = 3074390. Its totient is φ = 3074388.

The previous prime is 3074381. The next prime is 3074413. The reversal of 3074389 is 9834703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2696164 + 378225 = 1642^2 + 615^2 .

It is a cyclic number.

It is not a de Polignac number, because 3074389 - 23 = 3074381 is a prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3074381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1537194 + 1537195.

It is an arithmetic number, because the mean of its divisors is an integer number (1537195).

Almost surely, 23074389 is an apocalyptic number.

It is an amenable number.

3074389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3074389 is an equidigital number, since it uses as much as digits as its factorization.

3074389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 3074389 is about 1753.3935667727. The cubic root of 3074389 is about 145.4073208317.

The spelling of 3074389 in words is "three million, seventy-four thousand, three hundred eighty-nine".