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485807825 = 5219432313
BaseRepresentation
bin11100111101001…
…101011011010001
31020212010121001102
4130331031123101
51443331322300
6120112314145
715016204226
oct3475153321
91225117042
10485807825
1122a253678
12116842955
1379856369
144873d94d
152c9b30d5
hex1cf4d6d1

485807825 has 6 divisors (see below), whose sum is σ = 602401734. Its totient is φ = 388646240.

The previous prime is 485807783. The next prime is 485807831. The reversal of 485807825 is 528708584.

It can be written as a sum of positive squares in 3 ways, for example, as 170354704 + 315453121 = 13052^2 + 17761^2 .

It is not a de Polignac number, because 485807825 - 222 = 481613521 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 485807825.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9716132 + ... + 9716181.

It is an arithmetic number, because the mean of its divisors is an integer number (100400289).

Almost surely, 2485807825 is an apocalyptic number.

It is an amenable number.

485807825 is a deficient number, since it is larger than the sum of its proper divisors (116593909).

485807825 is a wasteful number, since it uses less digits than its factorization.

485807825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19432323 (or 19432318 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 47.

The square root of 485807825 is about 22041.0486365781. The cubic root of 485807825 is about 786.1187747698.

The spelling of 485807825 in words is "four hundred eighty-five million, eight hundred seven thousand, eight hundred twenty-five".

Divisors: 1 5 25 19432313 97161565 485807825