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8494755889 = 372472532
BaseRepresentation
bin1111110100101001…
…11011000000110001
3210221000101022101111
413322110323000301
5114344124142024
63522532033321
7420336143104
oct77224730061
923830338344
108494755889
11366a082914
121790a62841
13a54bb0299
145a829673b
1534ab79a94
hex1fa53b031

8494755889 has 27 divisors (see below), whose sum is σ = 9091739937. Its totient is φ = 7936684704.

The previous prime is 8494755883. The next prime is 8494755901. The reversal of 8494755889 is 9885574948.

The square root of 8494755889 is 92167.

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

It can be written as a sum of positive squares in 4 ways, for example, as 3391082289 + 5103673600 = 58233^2 + 71440^2 .

It is not a de Polignac number, because 8494755889 - 23 = 8494755881 is a prime.

It is a super-2 number, since 2×84947558892 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8494755881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 160278387 + ... + 160278439.

Almost surely, 28494755889 is an apocalyptic number.

8494755889 is the 92167-th square number.

8494755889 is the 46084-th centered octagonal number.

It is an amenable number.

8494755889 is a deficient number, since it is larger than the sum of its proper divisors (596984048).

8494755889 is an frugal number, since it uses more digits than its factorization.

8494755889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 137 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 67.

The cubic root of 8494755889 is about 2040.4077655503.

The spelling of 8494755889 in words is "eight billion, four hundred ninety-four million, seven hundred fifty-five thousand, eight hundred eighty-nine".

Divisors: 1 37 47 53 1369 1739 1961 2209 2491 2809 64343 72557 81733 92167 103933 117077 132023 3024121 3410179 3845521 4331849 4884851 6205081 160278413 180739487 229587997 8494755889