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5291004820 = 225264550241
BaseRepresentation
bin1001110110101111…
…00101001110010100
3111122201221220010111
410323113211032110
541313444123240
62233004332404
7245054541013
oct47327451624
914581856114
105291004820
1122756a8262
121037b44104
1366422a2aa
143829b2a7a
1520e78a1ea
hex13b5e5394

5291004820 has 12 divisors (see below), whose sum is σ = 11111110164. Its totient is φ = 2116401920.

The previous prime is 5291004793. The next prime is 5291004833. The reversal of 5291004820 is 284001925.

It can be written as a sum of positive squares in 2 ways, for example, as 4231762704 + 1059242116 = 65052^2 + 32546^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132275101 + ... + 132275140.

It is an arithmetic number, because the mean of its divisors is an integer number (925925847).

Almost surely, 25291004820 is an apocalyptic number.

It is an amenable number.

5291004820 is an abundant number, since it is smaller than the sum of its proper divisors (5820105344).

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

5291004820 is a wasteful number, since it uses less digits than its factorization.

5291004820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264550250 (or 264550248 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 5291004820 is about 72739.2935077046. The cubic root of 5291004820 is about 1742.5264768758.

The spelling of 5291004820 in words is "five billion, two hundred ninety-one million, four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 264550241 529100482 1058200964 1322751205 2645502410 5291004820