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1382838 = 23376229
BaseRepresentation
bin101010001100110110110
32121020220020
411101212312
5323222323
645350010
714516412
oct5214666
92536806
101382838
11864a46
12568306
13395562
1427dd42
151c4ae3
hex1519b6

1382838 has 16 divisors (see below), whose sum is σ = 2840880. Its totient is φ = 448416.

The previous prime is 1382827. The next prime is 1382861. The reversal of 1382838 is 8382831.

1382838 is nontrivially palindromic in base 5.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1382799 and 1382808.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2893 + ... + 3336.

It is an arithmetic number, because the mean of its divisors is an integer number (177555).

21382838 is an apocalyptic number.

1382838 is an abundant number, since it is smaller than the sum of its proper divisors (1458042).

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

1382838 is a wasteful number, since it uses less digits than its factorization.

1382838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6271.

The product of its digits is 9216, while the sum is 33.

The square root of 1382838 is about 1175.9413250669. The cubic root of 1382838 is about 111.4098959027.

Multiplying 1382838 by its sum of digits (33), we get a palindrome (45633654).

The spelling of 1382838 in words is "one million, three hundred eighty-two thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 37 74 111 222 6229 12458 18687 37374 230473 460946 691419 1382838