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1384231 is a prime number
BaseRepresentation
bin101010001111100100111
32121022210211
411101330213
5323243411
645400251
714523442
oct5217447
92538724
101384231
11865aa2
12569087
13396094
14280659
151c5221
hex151f27

1384231 has 2 divisors, whose sum is σ = 1384232. Its totient is φ = 1384230.

The previous prime is 1384219. The next prime is 1384237. The reversal of 1384231 is 1324831.

It is a strong prime.

It is an emirp because it is prime and its reverse (1324831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1384231 is a prime.

It is a super-2 number, since 2×13842312 = 3832190922722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1384237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692115 + 692116.

It is an arithmetic number, because the mean of its divisors is an integer number (692116).

21384231 is an apocalyptic number.

1384231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1384231 is an equidigital number, since it uses as much as digits as its factorization.

1384231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

The square root of 1384231 is about 1176.5334674373. The cubic root of 1384231 is about 111.4472928846.

The spelling of 1384231 in words is "one million, three hundred eighty-four thousand, two hundred thirty-one".