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1896049 = 2965381
BaseRepresentation
bin111001110111001110001
310120022220001
413032321301
5441133144
6104350001
722054561
oct7167161
93508801
101896049
111085591
12775301
1351502c
14374da1
15276bd4
hex1cee71

1896049 has 4 divisors (see below), whose sum is σ = 1961460. Its totient is φ = 1830640.

The previous prime is 1896047. The next prime is 1896071. The reversal of 1896049 is 9406981.

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 378225 + 1517824 = 615^2 + 1232^2 .

It is a cyclic number.

It is not a de Polignac number, because 1896049 - 21 = 1896047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1895999 and 1896017.

It is not an unprimeable number, because it can be changed into a prime (1896043) 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, 32662 + ... + 32719.

It is an arithmetic number, because the mean of its divisors is an integer number (490365).

21896049 is an apocalyptic number.

It is an amenable number.

1896049 is a deficient number, since it is larger than the sum of its proper divisors (65411).

1896049 is an equidigital number, since it uses as much as digits as its factorization.

1896049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65410.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1896049 is about 1376.9709510371. The cubic root of 1896049 is about 123.7703214595.

The spelling of 1896049 in words is "one million, eight hundred ninety-six thousand, forty-nine".

Divisors: 1 29 65381 1896049