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1442425 = 5257697
BaseRepresentation
bin101100000001001111001
32201021122011
411200021321
5332124200
650525521
715155215
oct5401171
92637564
101442425
118a5796
125968a1
133b670a
14297945
151d75ba
hex160279

1442425 has 6 divisors (see below), whose sum is σ = 1788638. Its totient is φ = 1153920.

The previous prime is 1442411. The next prime is 1442429. The reversal of 1442425 is 5242441.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 385641 + 1056784 = 621^2 + 1028^2 .

It is not a de Polignac number, because 1442425 - 25 = 1442393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442396 and 1442405.

It is not an unprimeable number, because it can be changed into a prime (1442429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28824 + ... + 28873.

21442425 is an apocalyptic number.

It is an amenable number.

1442425 is a deficient number, since it is larger than the sum of its proper divisors (346213).

1442425 is an equidigital number, since it uses as much as digits as its factorization.

1442425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57707 (or 57702 counting only the distinct ones).

The product of its digits is 1280, while the sum is 22.

The square root of 1442425 is about 1201.0099916320. The cubic root of 1442425 is about 112.9876771484.

Adding to 1442425 its reverse (5242441), we get a palindrome (6684866).

The spelling of 1442425 in words is "one million, four hundred forty-two thousand, four hundred twenty-five".

Divisors: 1 5 25 57697 288485 1442425