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1996841 = 71125933
BaseRepresentation
bin111100111100000101001
310202110011002
413213200221
51002344331
6110444345
722654460
oct7474051
93673132
101996841
111144290
128036b5
1354bb82
1439d9d7
152969cb
hex1e7829

1996841 has 8 divisors (see below), whose sum is σ = 2489664. Its totient is φ = 1555920.

The previous prime is 1996829. The next prime is 1996849. The reversal of 1996841 is 1486991.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1996841 - 26 = 1996777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1996795 and 1996804.

It is not an unprimeable number, because it can be changed into a prime (1996849) 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 7 ways as a sum of consecutive naturals, for example, 12890 + ... + 13043.

It is an arithmetic number, because the mean of its divisors is an integer number (311208).

21996841 is an apocalyptic number.

1996841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1996841 is a deficient number, since it is larger than the sum of its proper divisors (492823).

1996841 is a wasteful number, since it uses less digits than its factorization.

1996841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25951.

The product of its digits is 15552, while the sum is 38.

The square root of 1996841 is about 1413.0962458375. The cubic root of 1996841 is about 125.9257351902.

The spelling of 1996841 in words is "one million, nine hundred ninety-six thousand, eight hundred forty-one".

Divisors: 1 7 11 77 25933 181531 285263 1996841