Search a number
-
+
28848600 = 233252113147
BaseRepresentation
bin110111000001…
…1000111011000
32000021122211200
41232003013120
524341123400
62510154200
7500131464
oct156030730
960248750
1028848600
1115314420
1297b2960
135c90ba1
143b8d4a4
1527ecb00
hex1b831d8

28848600 has 288 divisors, whose sum is σ = 111421440. Its totient is φ = 6624000.

The previous prime is 28848587. The next prime is 28848607. The reversal of 28848600 is 684882.

28848600 is a `hidden beast` number, since 2 + 8 + 8 + 48 + 600 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28848607) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 613777 + ... + 613823.

It is an arithmetic number, because the mean of its divisors is an integer number (386880).

Almost surely, 228848600 is an apocalyptic number.

28848600 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 28848600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55710720).

28848600 is an abundant number, since it is smaller than the sum of its proper divisors (82572840).

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

28848600 is a wasteful number, since it uses less digits than its factorization.

28848600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 28848600 is about 5371.0892749981. The cubic root of 28848600 is about 306.6960956845.

The spelling of 28848600 in words is "twenty-eight million, eight hundred forty-eight thousand, six hundred".