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8914569889 = 26323592
BaseRepresentation
bin10000100110101100…
…11000101010100001
3212000021100001221011
420103112120222201
5121224112214024
64032330100521
7433624410451
oct102326305241
925007301834
108914569889
113865051335
12188957a741
13ac0b6b434
14607d37d61
15372954094
hex213598aa1

8914569889 has 9 divisors (see below), whose sum is σ = 8973590353. Its totient is φ = 8855936932.

The previous prime is 8914569883. The next prime is 8914569893. The reversal of 8914569889 is 9889654198.

The square root of 8914569889 is 94417.

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

It is not a de Polignac number, because 8914569889 - 25 = 8914569857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8914569883) 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, 24831492 + ... + 24831850.

Almost surely, 28914569889 is an apocalyptic number.

8914569889 is the 94417-th square number.

8914569889 is the 47209-th centered octagonal number.

It is an amenable number.

8914569889 is a deficient number, since it is larger than the sum of its proper divisors (59020464).

8914569889 is an frugal number, since it uses more digits than its factorization.

8914569889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244 (or 622 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 67.

The cubic root of 8914569889 is about 2073.4813401548.

The spelling of 8914569889 in words is "eight billion, nine hundred fourteen million, five hundred sixty-nine thousand, eight hundred eighty-nine".

Divisors: 1 263 359 69169 94417 128881 24831671 33895703 8914569889