Search a number
-
+
28838244000 = 253533764951
BaseRepresentation
bin11010110110111001…
…001010111010100000
32202102210020120202010
4122312321022322200
5433030042302000
621125331352520
72040432013056
oct326671127240
982383216663
1028838244000
1111259489605
125709a52740
1329477a1107
1415780321d6
15b3bb44d50
hex6b6e4aea0

28838244000 has 192 divisors, whose sum is σ = 97028934912. Its totient is φ = 7482240000.

The previous prime is 28838243999. The next prime is 28838244011. The reversal of 28838244000 is 44283882.

It is a self number, because there is not a number n which added to its sum of digits gives 28838244000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411525 + ... + 476475.

It is an arithmetic number, because the mean of its divisors is an integer number (505359036).

Almost surely, 228838244000 is an apocalyptic number.

28838244000 is a gapful number since it is divisible by the number (20) 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 28838244000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48514467456).

28838244000 is an abundant number, since it is smaller than the sum of its proper divisors (68190690912).

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

28838244000 is a wasteful number, since it uses less digits than its factorization.

28838244000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65016 (or 64998 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 39.

The spelling of 28838244000 in words is "twenty-eight billion, eight hundred thirty-eight million, two hundred forty-four thousand".