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9008739229 = 721710814813
BaseRepresentation
bin10000110001111011…
…00111001110011101
3212020211112100222111
420120331213032131
5121422214123404
64045532314021
7436150006600
oct103075471635
925224470874
109008739229
113903220136
1218b5012911
13b07520039
1461664c337
1537ad56104
hex218f6739d

9008739229 has 12 divisors (see below), whose sum is σ = 11095999164. Its totient is φ = 7267553664.

The previous prime is 9008739193. The next prime is 9008739239. The reversal of 9008739229 is 9229378009.

It can be written as a sum of positive squares in 2 ways, for example, as 4959962329 + 4048776900 = 70427^2 + 63630^2 .

It is a de Polignac number, because none of the positive numbers 2k-9008739229 is a prime.

It is a super-2 number, since 2×90087392292 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9008739239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5406574 + ... + 5408239.

It is an arithmetic number, because the mean of its divisors is an integer number (924666597).

Almost surely, 29008739229 is an apocalyptic number.

It is an amenable number.

9008739229 is a deficient number, since it is larger than the sum of its proper divisors (2087259935).

9008739229 is a wasteful number, since it uses less digits than its factorization.

9008739229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10814844 (or 10814837 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 9008739229 is about 94914.3784102282. The cubic root of 9008739229 is about 2080.7568766877.

The spelling of 9008739229 in words is "nine billion, eight million, seven hundred thirty-nine thousand, two hundred twenty-nine".

Divisors: 1 7 17 49 119 833 10814813 75703691 183851821 529925837 1286962747 9008739229