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1384136 = 231313309
BaseRepresentation
bin101010001111011001000
32121022200022
411101323020
5323243021
645400012
714523245
oct5217310
92538608
101384136
11865a16
12569008
13396020
142805cc
151c51ab
hex151ec8

1384136 has 16 divisors (see below), whose sum is σ = 2795100. Its totient is φ = 638784.

The previous prime is 1384121. The next prime is 1384139. The reversal of 1384136 is 6314831.

It can be written as a sum of positive squares in 2 ways, for example, as 1012036 + 372100 = 1006^2 + 610^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1384139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6551 + ... + 6758.

21384136 is an apocalyptic number.

It is an amenable number.

1384136 is an abundant number, since it is smaller than the sum of its proper divisors (1410964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1384136 is a wasteful number, since it uses less digits than its factorization.

1384136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13328 (or 13324 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 1384136 is about 1176.4930939024. The cubic root of 1384136 is about 111.4447432776. Note that the first 3 decimals are identical.

Adding to 1384136 its reverse (6314831), we get a palindrome (7698967).

The spelling of 1384136 in words is "one million, three hundred eighty-four thousand, one hundred thirty-six".

Divisors: 1 2 4 8 13 26 52 104 13309 26618 53236 106472 173017 346034 692068 1384136