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9990803 is a prime number
BaseRepresentation
bin100110000111…
…001010010011
3200210120210202
4212013022103
510024201203
6554045415
7150630464
oct46071223
920716722
109990803
115704269
12341986b
1320ba624
141480d6b
15d25388
hex987293

9990803 has 2 divisors, whose sum is σ = 9990804. Its totient is φ = 9990802.

The previous prime is 9990797. The next prime is 9990811. The reversal of 9990803 is 3080999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9990803 - 210 = 9989779 is a prime.

It is a super-2 number, since 2×99908032 = 199632289169618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9990833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4995401 + 4995402.

It is an arithmetic number, because the mean of its divisors is an integer number (4995402).

Almost surely, 29990803 is an apocalyptic number.

9990803 is a deficient number, since it is larger than the sum of its proper divisors (1).

9990803 is an equidigital number, since it uses as much as digits as its factorization.

9990803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 9990803 is about 3160.8231522817. The cubic root of 9990803 is about 215.3774009586.

The spelling of 9990803 in words is "nine million, nine hundred ninety thousand, eight hundred three".