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1996837 = 17235107
BaseRepresentation
bin111100111100000100101
310202110010221
413213200211
51002344322
6110444341
722654453
oct7474045
93673127
101996837
111144287
128036b1
1354bb7b
1439d9d3
152969c7
hex1e7825

1996837 has 8 divisors (see below), whose sum is σ = 2206656. Its totient is φ = 1797312.

The previous prime is 1996829. The next prime is 1996849. The reversal of 1996837 is 7386991.

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

It is not a de Polignac number, because 1996837 - 23 = 1996829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1996793 and 1996802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996817) 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, 2163 + ... + 2944.

It is an arithmetic number, because the mean of its divisors is an integer number (275832).

21996837 is an apocalyptic number.

1996837 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1996837 is a deficient number, since it is larger than the sum of its proper divisors (209819).

1996837 is a wasteful number, since it uses less digits than its factorization.

1996837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147.

The product of its digits is 81648, while the sum is 43.

The square root of 1996837 is about 1413.0948305050. The cubic root of 1996837 is about 125.9256511069.

The spelling of 1996837 in words is "one million, nine hundred ninety-six thousand, eight hundred thirty-seven".

Divisors: 1 17 23 391 5107 86819 117461 1996837