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1996826 = 21376801
BaseRepresentation
bin111100111100000011010
310202110010112
413213200122
51002344301
6110444322
722654436
oct7474032
93673115
101996826
111144277
128036a2
1354bb70
1439d9c6
152969bb
hex1e781a

1996826 has 8 divisors (see below), whose sum is σ = 3225684. Its totient is φ = 921600.

The previous prime is 1996817. The next prime is 1996829. The reversal of 1996826 is 6286991.

It can be written as a sum of positive squares in 2 ways, for example, as 1974025 + 22801 = 1405^2 + 151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1996829) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 38375 + ... + 38426.

21996826 is an apocalyptic number.

1996826 is a deficient number, since it is larger than the sum of its proper divisors (1228858).

1996826 is a wasteful number, since it uses less digits than its factorization.

1996826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76816.

The product of its digits is 46656, while the sum is 41.

The square root of 1996826 is about 1413.0909383334. The cubic root of 1996826 is about 125.9254198771.

The spelling of 1996826 in words is "one million, nine hundred ninety-six thousand, eight hundred twenty-six".

Divisors: 1 2 13 26 76801 153602 998413 1996826