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1996744 = 23249593
BaseRepresentation
bin111100111011111001000
310202110000111
413213133020
51002343434
6110444104
722654261
oct7473710
93673014
101996744
111144202
12803634
1354bb09
1439d968
15296964
hex1e77c8

1996744 has 8 divisors (see below), whose sum is σ = 3743910. Its totient is φ = 998368.

The previous prime is 1996739. The next prime is 1996751. The reversal of 1996744 is 4476991.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1416100 + 580644 = 1190^2 + 762^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1996697 and 1996706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124789 + ... + 124804.

21996744 is an apocalyptic number.

It is an amenable number.

1996744 is a deficient number, since it is larger than the sum of its proper divisors (1747166).

1996744 is a wasteful number, since it uses less digits than its factorization.

1996744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249599 (or 249595 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 1996744 is about 1413.0619236254. The cubic root of 1996744 is about 125.9236961372.

The spelling of 1996744 in words is "one million, nine hundred ninety-six thousand, seven hundred forty-four".

Divisors: 1 2 4 8 249593 499186 998372 1996744