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9984289 = 72203761
BaseRepresentation
bin100110000101…
…100100100001
3200210020212111
4212011210201
510023444124
6553555321
7150602500
oct46054441
920706774
109984289
1156aa387
123415b41
1320b7683
14147c837
15d23494
hex985921

9984289 has 6 divisors (see below), whose sum is σ = 11614434. Its totient is φ = 8557920.

The previous prime is 9984251. The next prime is 9984301. The reversal of 9984289 is 9824899.

It is a happy number.

9984289 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6671889 + 3312400 = 2583^2 + 1820^2 .

It is not a de Polignac number, because 9984289 - 211 = 9982241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 203761 = 9984289 / (9 + 9 + 8 + 4 + 2 + 8 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9984209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101832 + ... + 101929.

It is an arithmetic number, because the mean of its divisors is an integer number (1935739).

Almost surely, 29984289 is an apocalyptic number.

It is an amenable number.

9984289 is a deficient number, since it is larger than the sum of its proper divisors (1630145).

9984289 is a wasteful number, since it uses less digits than its factorization.

9984289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203775 (or 203768 counting only the distinct ones).

The product of its digits is 373248, while the sum is 49.

The square root of 9984289 is about 3159.7925564821. The cubic root of 9984289 is about 215.3305821190.

The spelling of 9984289 in words is "nine million, nine hundred eighty-four thousand, two hundred eighty-nine".

Divisors: 1 7 49 203761 1426327 9984289