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8448734889 = 347214592
BaseRepresentation
bin1111101111001010…
…10111011010101001
3210210210210012110000
413313211113122221
5114300334004024
63514205413213
7416240030100
oct76745273251
923723705400
108448734889
1136460aa631
12177956a209
13a484b901a
145a2117037
15346ad8cc9
hex1f79576a9

8448734889 has 45 divisors (see below), whose sum is σ = 14691582477. Its totient is φ = 4824539496.

The previous prime is 8448734867. The next prime is 8448734897. The reversal of 8448734889 is 9884378448.

The square root of 8448734889 is 91917.

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

8448734889 is a `hidden beast` number, since 8 + 448 + 73 + 48 + 89 = 666.

It is not a de Polignac number, because 8448734889 - 29 = 8448734377 is a prime.

It is a super-2 number, since 2×84487348892 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (8448734839) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 5790042 + ... + 5791500.

Almost surely, 28448734889 is an apocalyptic number.

8448734889 is the 91917-th square number.

8448734889 is the 45959-th centered octagonal number.

It is an amenable number.

8448734889 is a deficient number, since it is larger than the sum of its proper divisors (6242847588).

8448734889 is an frugal number, since it uses more digits than its factorization.

8448734889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944 (or 1469 counting only the distinct ones).

The product of its digits is 49545216, while the sum is 63.

The cubic root of 8448734889 is about 2036.7164022232.

The spelling of 8448734889 in words is "eight billion, four hundred forty-eight million, seven hundred thirty-four thousand, eight hundred eighty-nine".

Divisors: 1 3 7 9 21 27 49 63 81 147 189 441 567 1323 1459 3969 4377 10213 13131 30639 39393 71491 91917 118179 214473 275751 643419 827253 1930257 2128681 5790771 6386043 14900767 19158129 44702301 57474387 104305369 134106903 172423161 312916107 402320709 938748321 1206962127 2816244963 8448734889