Search a number
-
+
5427886464 = 273471113523
BaseRepresentation
bin1010000111000011…
…01111100110000000
3112000021112012110000
411003201233212000
542104014331324
62254334240000
7251336162610
oct50341574600
915007465400
105427886464
11233599a490
121075956000
136866b5150
14396c44a40
1521b7c79c9
hex14386f980

5427886464 has 640 divisors, whose sum is σ = 21729818880. Its totient is φ = 1298903040.

The previous prime is 5427886459. The next prime is 5427886487. The reversal of 5427886464 is 4646887245.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 5427886464.

It is a congruent number.

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, 10378107 + ... + 10378629.

It is an arithmetic number, because the mean of its divisors is an integer number (33952842).

Almost surely, 25427886464 is an apocalyptic number.

5427886464 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5427886464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10864909440).

5427886464 is an abundant number, since it is smaller than the sum of its proper divisors (16301932416).

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

5427886464 is a wasteful number, since it uses less digits than its factorization.

5427886464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 559 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 54.

The square root of 5427886464 is about 73674.1913019749. The cubic root of 5427886464 is about 1757.4254782593.

The spelling of 5427886464 in words is "five billion, four hundred twenty-seven million, eight hundred eighty-six thousand, four hundred sixty-four".