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5289315840 = 293251731327
BaseRepresentation
bin1001110110100010…
…01000111000000000
3111122121210002021200
410323101020320000
541313031101330
62232504221200
7245034304614
oct47321107000
914577702250
105289315840
112274754306
12103746a800
13663a885b3
14382693344
1520e554a60
hex13b448e00

5289315840 has 240 divisors, whose sum is σ = 18438159168. Its totient is φ = 1401274368.

The previous prime is 5289315833. The next prime is 5289315841. The reversal of 5289315840 is 485139825.

5289315840 is a `hidden beast` number, since 528 + 9 + 31 + 58 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5289315841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3985257 + ... + 3986583.

Almost surely, 25289315840 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 5289315840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9219079584).

5289315840 is an abundant number, since it is smaller than the sum of its proper divisors (13148843328).

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

5289315840 is a wasteful number, since it uses less digits than its factorization.

5289315840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1510 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 5289315840 is about 72727.6827624805. The cubic root of 5289315840 is about 1742.3410423073.

The spelling of 5289315840 in words is "five billion, two hundred eighty-nine million, three hundred fifteen thousand, eight hundred forty".