Search a number
-
+
5287378944 = 216326893
BaseRepresentation
bin1001110110010011…
…10000000000000000
3111122111010200100210
410323021300000000
541312032111234
62232354514120
7245011656651
oct47311600000
914574120323
105287378944
112273651071
121036895940
1366355aac3
1438230b528
1520e2c0be9
hex13b270000

5287378944 has 68 divisors (see below), whose sum is σ = 14100093896. Its totient is φ = 1762394112.

The previous prime is 5287378933. The next prime is 5287378969. The reversal of 5287378944 is 4498737825.

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, 183162 + ... + 210054.

It is an arithmetic number, because the mean of its divisors is an integer number (207354322).

Almost surely, 25287378944 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 5287378944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7050046948).

5287378944 is an abundant number, since it is smaller than the sum of its proper divisors (8812714952).

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

5287378944 is an frugal number, since it uses more digits than its factorization.

5287378944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26928 (or 26898 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 57.

The square root of 5287378944 is about 72714.3654582779. The cubic root of 5287378944 is about 1742.1283402294.

The spelling of 5287378944 in words is "five billion, two hundred eighty-seven million, three hundred seventy-eight thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 2048 3072 4096 6144 8192 12288 16384 24576 26893 32768 49152 53786 65536 80679 98304 107572 161358 196608 215144 322716 430288 645432 860576 1290864 1721152 2581728 3442304 5163456 6884608 10326912 13769216 20653824 27538432 41307648 55076864 82615296 110153728 165230592 220307456 330461184 440614912 660922368 881229824 1321844736 1762459648 2643689472 5287378944