Search a number
-
+
5287244544 = 283641691
BaseRepresentation
bin1001110110010010…
…01111001100000000
3111122110212212000000
410323021033030000
541312013311134
62232352000000
7245010560061
oct47311171400
914573785000
105287244544
11227356a09a
121036830000
1366351188a
143822b4568
1520e295e99
hex13b24f300

5287244544 has 252 divisors, whose sum is σ = 16232912472. Its totient is φ = 1716940800.

The previous prime is 5287244539. The next prime is 5287244593. The reversal of 5287244544 is 4454427825.

5287244544 is a `hidden beast` number, since 5 + 2 + 87 + 24 + 4 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5287244544.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 7651239 + ... + 7651929.

Almost surely, 25287244544 is an apocalyptic number.

5287244544 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 5287244544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8116456236).

5287244544 is an abundant number, since it is smaller than the sum of its proper divisors (10945667928).

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

5287244544 is an frugal number, since it uses more digits than its factorization.

5287244544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766 (or 737 counting only the distinct ones).

The product of its digits is 1433600, while the sum is 45.

The square root of 5287244544 is about 72713.4412883890. The cubic root of 5287244544 is about 1742.1135790383.

The spelling of 5287244544 in words is "five billion, two hundred eighty-seven million, two hundred forty-four thousand, five hundred forty-four".