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8840902449 = 32325570827
BaseRepresentation
bin10000011101111010…
…10111011100110001
3211211010201101012110
420032331113130301
5121101232334244
64021135115533
7432041300541
oct101675273461
924733641173
108840902449
113827505955
121868972ba9
13aab817532
145dc23d321
1536b2519b9
hex20ef57731

8840902449 has 12 divisors (see below), whose sum is σ = 12322671536. Its totient is φ = 5637675912.

The previous prime is 8840902423. The next prime is 8840902453. The reversal of 8840902449 is 9442090488.

It is not a de Polignac number, because 8840902449 - 211 = 8840900401 is a prime.

It is a super-2 number, since 2×88409024492 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8840902398 and 8840902407.

It is not an unprimeable number, because it can be changed into a prime (8840902409) 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, 2783827 + ... + 2787000.

Almost surely, 28840902449 is an apocalyptic number.

It is an amenable number.

8840902449 is a deficient number, since it is larger than the sum of its proper divisors (3481769087).

8840902449 is a wasteful number, since it uses less digits than its factorization.

8840902449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570876 (or 5570853 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 8840902449 is about 94026.0732403518. The cubic root of 8840902449 is about 2067.7539836347.

The spelling of 8840902449 in words is "eight billion, eight hundred forty million, nine hundred two thousand, four hundred forty-nine".

Divisors: 1 3 23 69 529 1587 5570827 16712481 128129021 384387063 2946967483 8840902449