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1425233 = 3733821
BaseRepresentation
bin101011011111101010001
32200102001102
411123331101
5331101413
650314145
715054125
oct5337521
92612042
101425233
11893887
12588955
133ab944
14291585
151d2458
hex15bf51

1425233 has 4 divisors (see below), whose sum is σ = 1429428. Its totient is φ = 1421040.

The previous prime is 1425227. The next prime is 1425251. The reversal of 1425233 is 3325241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3325241 = 12726183.

It can be written as a sum of positive squares in 2 ways, for example, as 1056784 + 368449 = 1028^2 + 607^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425233 - 24 = 1425217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425253) 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, 1538 + ... + 2283.

It is an arithmetic number, because the mean of its divisors is an integer number (357357).

21425233 is an apocalyptic number.

It is an amenable number.

1425233 is a deficient number, since it is larger than the sum of its proper divisors (4195).

1425233 is an equidigital number, since it uses as much as digits as its factorization.

1425233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194.

The product of its digits is 720, while the sum is 20.

The square root of 1425233 is about 1193.8312276030. The cubic root of 1425233 is about 112.5369886603.

The spelling of 1425233 in words is "one million, four hundred twenty-five thousand, two hundred thirty-three".

Divisors: 1 373 3821 1425233