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1321108 = 221917383
BaseRepresentation
bin101000010100010010100
32111010012221
411002202110
5314233413
644152124
714141425
oct5024224
92433187
101321108
11822628
12538644
13373429
1426564c
151b168d
hex142894

1321108 has 12 divisors (see below), whose sum is σ = 2433760. Its totient is φ = 625752.

The previous prime is 1321093. The next prime is 1321109. The reversal of 1321108 is 8011231.

It is a junction number, because it is equal to n+sod(n) for n = 1321091 and 1321100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8616 + ... + 8767.

21321108 is an apocalyptic number.

It is an amenable number.

1321108 is a deficient number, since it is larger than the sum of its proper divisors (1112652).

1321108 is a wasteful number, since it uses less digits than its factorization.

1321108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17406 (or 17404 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1321108 is about 1149.3946232691. The cubic root of 1321108 is about 109.7268152207.

Adding to 1321108 its reverse (8011231), we get a palindrome (9332339).

The spelling of 1321108 in words is "one million, three hundred twenty-one thousand, one hundred eight".

Divisors: 1 2 4 19 38 76 17383 34766 69532 330277 660554 1321108