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5489684868 = 223457473739
BaseRepresentation
bin1010001110011010…
…11111000110000100
3112011120210212220210
411013031133012010
542220324403433
62304422555420
7253016360103
oct50715370604
915146725823
105489684868
112367869548
121092598b70
13696441855
143a113003a
15221e33463
hex14735f184

5489684868 has 12 divisors (see below), whose sum is σ = 12809264720. Its totient is φ = 1829894952.

The previous prime is 5489684861. The next prime is 5489684939. The reversal of 5489684868 is 8684869845.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 5489684799 and 5489684808.

It is not an unprimeable number, because it can be changed into a prime (5489684861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228736858 + ... + 228736881.

Almost surely, 25489684868 is an apocalyptic number.

It is an amenable number.

5489684868 is an abundant number, since it is smaller than the sum of its proper divisors (7319579852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5489684868 is a wasteful number, since it uses less digits than its factorization.

5489684868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457473746 (or 457473744 counting only the distinct ones).

The product of its digits is 106168320, while the sum is 66.

The square root of 5489684868 is about 74092.4076272326. The cubic root of 5489684868 is about 1764.0699616433.

The spelling of 5489684868 in words is "five billion, four hundred eighty-nine million, six hundred eighty-four thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 457473739 914947478 1372421217 1829894956 2744842434 5489684868