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1384249 is a prime number
BaseRepresentation
bin101010001111100111001
32121022211111
411101330321
5323243444
645400321
714523466
oct5217471
92538744
101384249
11866009
125690a1
133960a9
1428066d
151c5234
hex151f39

1384249 has 2 divisors, whose sum is σ = 1384250. Its totient is φ = 1384248.

The previous prime is 1384247. The next prime is 1384303. The reversal of 1384249 is 9424831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1065024 + 319225 = 1032^2 + 565^2 .

It is a cyclic number.

It is not a de Polignac number, because 1384249 - 21 = 1384247 is a prime.

It is a super-2 number, since 2×13842492 = 3832290588002, which contains 22 as substring.

Together with 1384247, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1384249.

It is not a weakly prime, because it can be changed into another prime (1384241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692124 + 692125.

It is an arithmetic number, because the mean of its divisors is an integer number (692125).

21384249 is an apocalyptic number.

It is an amenable number.

1384249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1384249 is an equidigital number, since it uses as much as digits as its factorization.

1384249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 1384249 is about 1176.5411170036. The cubic root of 1384249 is about 111.4477759548.

The spelling of 1384249 in words is "one million, three hundred eighty-four thousand, two hundred forty-nine".