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8009425 = 52320377
BaseRepresentation
bin11110100011011011010001
3120001220212101
4132203123101
54022300200
6443400401
7125036044
oct36433321
916056771
108009425
114580666
122823101
131875808
1410c6c5b
15a8326a
hex7a36d1

8009425 has 6 divisors (see below), whose sum is σ = 9931718. Its totient is φ = 6407520.

The previous prime is 8009399. The next prime is 8009453. The reversal of 8009425 is 5249008.

It is a happy number.

8009425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 654481 + 7354944 = 809^2 + 2712^2 .

It is a de Polignac number, because none of the positive numbers 2k-8009425 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8009393 and 8009402.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 160164 + ... + 160213.

Almost surely, 28009425 is an apocalyptic number.

It is an amenable number.

8009425 is a deficient number, since it is larger than the sum of its proper divisors (1922293).

8009425 is a wasteful number, since it uses less digits than its factorization.

8009425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320387 (or 320382 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 8009425 is about 2830.0927546637. The cubic root of 8009425 is about 200.0785108429.

The spelling of 8009425 in words is "eight million, nine thousand, four hundred twenty-five".

Divisors: 1 5 25 320377 1601885 8009425