Search a number
-
+
1382207 is a prime number
BaseRepresentation
bin101010001011100111111
32121020000212
411101130333
5323212312
645343035
714514521
oct5213477
92536025
101382207
11864522
12567a7b
13395198
1427da11
151c4822
hex15173f

1382207 has 2 divisors, whose sum is σ = 1382208. Its totient is φ = 1382206.

The previous prime is 1382201. The next prime is 1382221. The reversal of 1382207 is 7022831.

It is a weak prime.

It is an emirp because it is prime and its reverse (7022831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1382207 - 24 = 1382191 is a prime.

It is a Chen prime.

It is equal to p105854 and since 1382207 and 105854 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1382201) 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, 691103 + 691104.

It is an arithmetic number, because the mean of its divisors is an integer number (691104).

21382207 is an apocalyptic number.

1382207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1382207 is an equidigital number, since it uses as much as digits as its factorization.

1382207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1382207 is about 1175.6729987543. The cubic root of 1382207 is about 111.3929475835.

The spelling of 1382207 in words is "one million, three hundred eighty-two thousand, two hundred seven".