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5235384780 = 2234531611709
BaseRepresentation
bin1001110000000110…
…11010000111001100
3111111212022002210000
410320003122013030
541210224303110
62223300244300
7243511015323
oct47003320714
914455262700
105235384780
11224726908a
1210213a0690
13655854b22
143794550ba
152099501c0
hex1380da1cc

5235384780 has 240 divisors, whose sum is σ = 17241396480. Its totient is φ = 1328140800.

The previous prime is 5235384731. The next prime is 5235384809. The reversal of 5235384780 is 874835325.

5235384780 is a `hidden beast` number, since 523 + 5 + 3 + 8 + 47 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3062566 + ... + 3064274.

It is an arithmetic number, because the mean of its divisors is an integer number (71839152).

Almost surely, 25235384780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5235384780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8620698240).

5235384780 is an abundant number, since it is smaller than the sum of its proper divisors (12006011700).

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

5235384780 is a wasteful number, since it uses less digits than its factorization.

5235384780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822 (or 1811 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 5235384780 is about 72355.9588423787. The cubic root of 5235384780 is about 1736.3990332446.

The spelling of 5235384780 in words is "five billion, two hundred thirty-five million, three hundred eighty-four thousand, seven hundred eighty".