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9994025 = 52399761
BaseRepresentation
bin100110000111…
…111100101001
3200210202020002
4212013330221
510024302100
6554112345
7150643046
oct46077451
920722202
109994025
115706728
12341b6b5
1320bbc32
1414821cd
15d262d5
hex987f29

9994025 has 6 divisors (see below), whose sum is σ = 12392622. Its totient is φ = 7995200.

The previous prime is 9994021. The next prime is 9994027. The reversal of 9994025 is 5204999.

It can be written as a sum of positive squares in 3 ways, for example, as 3003289 + 6990736 = 1733^2 + 2644^2 .

It is not a de Polignac number, because 9994025 - 22 = 9994021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9994025.

It is not an unprimeable number, because it can be changed into a prime (9994021) 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 5 ways as a sum of consecutive naturals, for example, 199856 + ... + 199905.

It is an arithmetic number, because the mean of its divisors is an integer number (2065437).

Almost surely, 29994025 is an apocalyptic number.

It is an amenable number.

9994025 is a deficient number, since it is larger than the sum of its proper divisors (2398597).

9994025 is a wasteful number, since it uses less digits than its factorization.

9994025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399771 (or 399766 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 9994025 is about 3161.3327885561. The cubic root of 9994025 is about 215.4005512967.

The spelling of 9994025 in words is "nine million, nine hundred ninety-four thousand, twenty-five".

Divisors: 1 5 25 399761 1998805 9994025