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1384137 = 321131361
BaseRepresentation
bin101010001111011001001
32121022200100
411101323021
5323243022
645400013
714523246
oct5217311
92538610
101384137
11865a17
12569009
13396021
142805cd
151c51ac
hex151ec9

1384137 has 12 divisors (see below), whose sum is σ = 2018484. Its totient is φ = 913920.

The previous prime is 1384121. The next prime is 1384139. The reversal of 1384137 is 7314831.

It can be written as a sum of positive squares in 2 ways, for example, as 104976 + 1279161 = 324^2 + 1131^2 .

It is not a de Polignac number, because 1384137 - 24 = 1384121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1384137.

It is not an unprimeable number, because it can be changed into a prime (1384139) 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 in 11 ways as a sum of consecutive naturals, for example, 337 + ... + 1697.

It is an arithmetic number, because the mean of its divisors is an integer number (168207).

21384137 is an apocalyptic number.

It is an amenable number.

1384137 is a deficient number, since it is larger than the sum of its proper divisors (634347).

1384137 is a wasteful number, since it uses less digits than its factorization.

1384137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480 (or 1477 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1384137 is about 1176.4935188942. The cubic root of 1384137 is about 111.4447701162. Note that the first 3 decimals are identical.

Adding to 1384137 its reverse (7314831), we get a palindrome (8698968).

It can be divided in two parts, 1384 and 137, that added together give a square (1521 = 392).

The spelling of 1384137 in words is "one million, three hundred eighty-four thousand, one hundred thirty-seven".

Divisors: 1 3 9 113 339 1017 1361 4083 12249 153793 461379 1384137