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9000229 = 71285747
BaseRepresentation
bin100010010101…
…010100100101
3121221020222211
4202111110211
54301001404
6520523421
7136333510
oct42252445
917836884
109000229
115098007
123020571
131b317a4
1412a3d77
15bcbb04
hex895525

9000229 has 4 divisors (see below), whose sum is σ = 10285984. Its totient is φ = 7714476.

The previous prime is 9000223. The next prime is 9000253. The reversal of 9000229 is 9220009.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9000229 - 219 = 8475941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9000223) 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, 642867 + ... + 642880.

It is an arithmetic number, because the mean of its divisors is an integer number (2571496).

Almost surely, 29000229 is an apocalyptic number.

It is an amenable number.

9000229 is a deficient number, since it is larger than the sum of its proper divisors (1285755).

9000229 is a wasteful number, since it uses less digits than its factorization.

9000229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285754.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 9000229 is about 3000.0381664239. The cubic root of 9000229 is about 208.0101465095.

It can be divided in two parts, 9000 and 229, that added together give a palindrome (9229).

The spelling of 9000229 in words is "nine million, two hundred twenty-nine", and thus it is an aban number.

Divisors: 1 7 1285747 9000229