Search a number
-
+
28535241600 = 273352477027
BaseRepresentation
bin11010100100110101…
…010011101110000000
32201122200002110121000
4122210311103232000
5431420010212400
621035305132000
72030062360125
oct324465235600
981580073530
1028535241600
11111134443a8
12564448a000
1328c9a91858
141549aba74c
15b20241600
hex6a4d53b80

28535241600 has 384 divisors, whose sum is σ = 106668172800. Its totient is φ = 7446435840.

The previous prime is 28535241593. The next prime is 28535241611. The reversal of 28535241600 is 614253582.

28535241600 is a `hidden beast` number, since 2 + 8 + 5 + 3 + 5 + 2 + 41 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4057287 + ... + 4064313.

It is an arithmetic number, because the mean of its divisors is an integer number (277781700).

Almost surely, 228535241600 is an apocalyptic number.

28535241600 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 28535241600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53334086400).

28535241600 is an abundant number, since it is smaller than the sum of its proper divisors (78132931200).

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

28535241600 is a wasteful number, since it uses less digits than its factorization.

28535241600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7107 (or 7084 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 28535241600 in words is "twenty-eight billion, five hundred thirty-five million, two hundred forty-one thousand, six hundred".