Search a number
-
+
28096272 = 2432593307
BaseRepresentation
bin110101100101…
…1011100010000
31221212102211200
41223023130100
524143040042
62442111200
7460546221
oct153133420
957772750
1028096272
1114950166
1294ab500
135a89619
143a35248
1526eec4c
hex1acb710

28096272 has 60 divisors (see below), whose sum is σ = 79987440. Its totient is φ = 9203904.

The previous prime is 28096267. The next prime is 28096297. The reversal of 28096272 is 27269082.

28096272 is a `hidden beast` number, since 28 + 0 + 9 + 627 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6843 + ... + 10149.

It is an arithmetic number, because the mean of its divisors is an integer number (1333124).

Almost surely, 228096272 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 28096272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39993720).

28096272 is an abundant number, since it is smaller than the sum of its proper divisors (51891168).

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

28096272 is a wasteful number, since it uses less digits than its factorization.

28096272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380 (or 3371 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 28096272 is about 5300.5916650880. The cubic root of 28096272 is about 304.0065210974.

The spelling of 28096272 in words is "twenty-eight million, ninety-six thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 59 72 118 144 177 236 354 472 531 708 944 1062 1416 2124 2832 3307 4248 6614 8496 9921 13228 19842 26456 29763 39684 52912 59526 79368 119052 158736 195113 238104 390226 476208 585339 780452 1170678 1560904 1756017 2341356 3121808 3512034 4682712 7024068 9365424 14048136 28096272