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9228868489 = 17256512
BaseRepresentation
bin10001001100001010…
…10101101110001001
3212211011202002120001
420212011111232021
5122400042242424
64123434403001
7444462042061
oct104605255611
925734662501
109228868489
113a06501545
121956890461
13b41004539
146379903a1
15390339844
hex226155b89

9228868489 has 9 divisors (see below), whose sum is σ = 9805412071. Its totient is φ = 8684456800.

The previous prime is 9228868469. The next prime is 9228868501. The reversal of 9228868489 is 9848688229.

It is a happy number.

The square root of 9228868489 is 96067.

It is a perfect power (a square), and thus also a powerful number.

9228868489 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., 7185105225 + 2043763264 = 84765^2 + 45208^2 .

It is not a de Polignac number, because 9228868489 - 25 = 9228868457 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 9228868489.

It is not an unprimeable number, because it can be changed into a prime (9228868469) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1630314 + ... + 1635964.

Almost surely, 29228868489 is an apocalyptic number.

9228868489 is the 96067-th square number.

9228868489 is the 48034-th centered octagonal number.

It is an amenable number.

9228868489 is a deficient number, since it is larger than the sum of its proper divisors (576543582).

9228868489 is an frugal number, since it uses more digits than its factorization.

9228868489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11336 (or 5668 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 64.

The cubic root of 9228868489 is about 2097.5685001185.

Multiplying 9228868489 by its sum of digits (64), we get a square (590647583296 = 7685362).

The spelling of 9228868489 in words is "nine billion, two hundred twenty-eight million, eight hundred sixty-eight thousand, four hundred eighty-nine".

Divisors: 1 17 289 5651 96067 1633139 31933801 542874617 9228868489