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BaseRepresentation
bin100101101001…
…001011111001
3200120100101102
4211221023321
510011234100
6551301145
7146606516
oct45511371
920510342
109868025
11562aaa2
12337a7b5
13207678b
14144c30d
15cedcd5
hex9692f9

9868025 has 6 divisors (see below), whose sum is σ = 12236382. Its totient is φ = 7894400.

The previous prime is 9868021. The next prime is 9868037. The reversal of 9868025 is 5208689.

It can be written as a sum of positive squares in 3 ways, for example, as 2621161 + 7246864 = 1619^2 + 2692^2 .

It is a sliding number, since 9868025 = 102400 + 9765625 and 1/102400 + 1/9765625 = 0.000009868025.

It is not a de Polignac number, because 9868025 - 22 = 9868021 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 9868025.

It is not an unprimeable number, because it can be changed into a prime (9868021) 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, 197336 + ... + 197385.

It is an arithmetic number, because the mean of its divisors is an integer number (2039397).

Almost surely, 29868025 is an apocalyptic number.

It is an amenable number.

9868025 is a deficient number, since it is larger than the sum of its proper divisors (2368357).

9868025 is a wasteful number, since it uses less digits than its factorization.

9868025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394731 (or 394726 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 9868025 is about 3141.3412740420. The cubic root of 9868025 is about 214.4914970286.

The spelling of 9868025 in words is "nine million, eight hundred sixty-eight thousand, twenty-five".

Divisors: 1 5 25 394721 1973605 9868025