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28227300 = 22352372543
BaseRepresentation
bin110101110101…
…1011011100100
31222010002120120
41223223123210
524211233200
62445001540
7461633223
oct153533344
958102516
1028227300
1114a2a652
1295532b0
135b0415a
143a6acba
1527289a0
hex1aeb6e4

28227300 has 72 divisors (see below), whose sum is σ = 83911296. Its totient is φ = 7320960.

The previous prime is 28227299. The next prime is 28227347. The reversal of 28227300 is 372282.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9829 + ... + 12371.

Almost surely, 228227300 is an apocalyptic number.

28227300 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 28227300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41955648).

28227300 is an abundant number, since it is smaller than the sum of its proper divisors (55683996).

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

28227300 is a wasteful number, since it uses less digits than its factorization.

28227300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597 (or 2590 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 28227300 is about 5312.9370408466. The cubic root of 28227300 is about 304.4783702324.

Adding to 28227300 its reverse (372282), we get a palindrome (28599582).

It can be divided in two parts, 28227 and 300, that multiplied together give a square (8468100 = 29102).

The spelling of 28227300 in words is "twenty-eight million, two hundred twenty-seven thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 37 50 60 74 75 100 111 148 150 185 222 300 370 444 555 740 925 1110 1850 2220 2543 2775 3700 5086 5550 7629 10172 11100 12715 15258 25430 30516 38145 50860 63575 76290 94091 127150 152580 188182 190725 254300 282273 376364 381450 470455 564546 762900 940910 1129092 1411365 1881820 2352275 2822730 4704550 5645460 7056825 9409100 14113650 28227300