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1882225 = 5275289
BaseRepresentation
bin111001011100001110001
310112121221001
413023201301
5440212400
6104202001
721666352
oct7134161
93477831
101882225
111076164
12769301
1350b957
1436dd29
15272a6a
hex1cb871

1882225 has 6 divisors (see below), whose sum is σ = 2333990. Its totient is φ = 1505760.

The previous prime is 1882211. The next prime is 1882229. The reversal of 1882225 is 5222881.

It can be written as a sum of positive squares in 3 ways, for example, as 35344 + 1846881 = 188^2 + 1359^2 .

It is not a de Polignac number, because 1882225 - 215 = 1849457 is a prime.

1882225 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1882193 and 1882202.

It is not an unprimeable number, because it can be changed into a prime (1882229) 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 5 ways as a sum of consecutive naturals, for example, 37620 + ... + 37669.

21882225 is an apocalyptic number.

It is an amenable number.

1882225 is a deficient number, since it is larger than the sum of its proper divisors (451765).

1882225 is an equidigital number, since it uses as much as digits as its factorization.

1882225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75299 (or 75294 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

The square root of 1882225 is about 1371.9420541699. The cubic root of 1882225 is about 123.4687863333.

The spelling of 1882225 in words is "one million, eight hundred eighty-two thousand, two hundred twenty-five".

Divisors: 1 5 25 75289 376445 1882225