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1996241 = 13153557
BaseRepresentation
bin111100111010111010001
310202102022212
413213113101
51002334431
6110441505
722652642
oct7472721
93672285
101996241
111143895
12803295
1354b810
1439d6c9
1529672b
hex1e75d1

1996241 has 4 divisors (see below), whose sum is σ = 2149812. Its totient is φ = 1842672.

The previous prime is 1996237. The next prime is 1996277. The reversal of 1996241 is 1426991.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1256641 + 739600 = 1121^2 + 860^2 .

It is not a de Polignac number, because 1996241 - 22 = 1996237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1996198 and 1996207.

It is not an unprimeable number, because it can be changed into a prime (1992241) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 76766 + ... + 76791.

It is an arithmetic number, because the mean of its divisors is an integer number (537453).

21996241 is an apocalyptic number.

It is an amenable number.

1996241 is a deficient number, since it is larger than the sum of its proper divisors (153571).

1996241 is a wasteful number, since it uses less digits than its factorization.

1996241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153570.

The product of its digits is 3888, while the sum is 32.

The square root of 1996241 is about 1412.8839301231. The cubic root of 1996241 is about 125.9131214318.

The spelling of 1996241 in words is "one million, nine hundred ninety-six thousand, two hundred forty-one".

Divisors: 1 13 153557 1996241