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8990303 = 71284329
BaseRepresentation
bin100010010010…
…111001011111
3121220202101012
4202102321133
54300142203
6520405435
7136262540
oct42227137
917822335
108990303
115090603
12301687b
131b2a10a
1412a04c7
15bc8bd8
hex892e5f

8990303 has 4 divisors (see below), whose sum is σ = 10274640. Its totient is φ = 7705968.

The previous prime is 8990257. The next prime is 8990321. The reversal of 8990303 is 3030998.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8990303 - 26 = 8990239 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 8990303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8990353) 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 3 ways as a sum of consecutive naturals, for example, 642158 + ... + 642171.

It is an arithmetic number, because the mean of its divisors is an integer number (2568660).

Almost surely, 28990303 is an apocalyptic number.

8990303 is a deficient number, since it is larger than the sum of its proper divisors (1284337).

8990303 is a wasteful number, since it uses less digits than its factorization.

8990303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284336.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 8990303 is about 2998.3833977662. The cubic root of 8990303 is about 207.9336496334.

The spelling of 8990303 in words is "eight million, nine hundred ninety thousand, three hundred three".

Divisors: 1 7 1284329 8990303