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9000010 = 25900001
BaseRepresentation
bin100010010101…
…010001001010
3121221020200201
4202111101022
54301000020
6520522414
7136333045
oct42252112
917836621
109000010
115097928
12302040a
131b31666
1412a3c5c
15bcba0a
hex89544a

9000010 has 8 divisors (see below), whose sum is σ = 16200036. Its totient is φ = 3600000.

The previous prime is 8999993. The next prime is 9000011. The reversal of 9000010 is 100009.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8922169 + 77841 = 2987^2 + 279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 900001 = 9000010 / (9 + 0 + 0 + 0 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (9000011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449991 + ... + 450010.

Almost surely, 29000010 is an apocalyptic number.

9000010 is a deficient number, since it is larger than the sum of its proper divisors (7200026).

9000010 is a wasteful number, since it uses less digits than its factorization.

9000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900008.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 9000010 is about 3000.0016666662. The cubic root of 9000010 is about 208.0084593453.

Subtracting from 9000010 its sum of digits (10), we obtain a square (9000000 = 30002).

Adding to 9000010 its reverse (100009), we get a palindrome (9100019).

The spelling of 9000010 in words is "nine million, ten", and thus it is an aban number and an uban number.

Divisors: 1 2 5 10 900001 1800002 4500005 9000010