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1380126 = 231121901
BaseRepresentation
bin101010000111100011110
32121010011210
411100330132
5323131001
645325250
714505456
oct5207436
92533153
101380126
11862a00
12566826
13394257
1427cd66
151c3dd6
hex150f1e

1380126 has 24 divisors (see below), whose sum is σ = 3035592. Its totient is φ = 418000.

The previous prime is 1380083. The next prime is 1380149. The reversal of 1380126 is 6210831.

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 11 ways as a sum of consecutive naturals, for example, 225 + ... + 1676.

It is an arithmetic number, because the mean of its divisors is an integer number (126483).

21380126 is an apocalyptic number.

1380126 is an abundant number, since it is smaller than the sum of its proper divisors (1655466).

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

1380126 is a wasteful number, since it uses less digits than its factorization.

1380126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928 (or 1917 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1380126 is about 1174.7876403844. The cubic root of 1380126 is about 111.3370164637.

Adding to 1380126 its reverse (6210831), we get a palindrome (7590957).

The spelling of 1380126 in words is "one million, three hundred eighty thousand, one hundred twenty-six".

Divisors: 1 2 3 6 11 22 33 66 121 242 363 726 1901 3802 5703 11406 20911 41822 62733 125466 230021 460042 690063 1380126