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228833200 = 24522919727
BaseRepresentation
bin11011010001110…
…11011110110000
3120221120221010201
431220323132300
5432040130300
634412404544
75446023121
oct1550733660
9527527121
10228833200
11108196852
1264776754
133854117b
142256a048
151515266a
hexda3b7b0

228833200 has 60 divisors (see below), whose sum is σ = 568758240. Its totient is φ = 88372480.

The previous prime is 228833167. The next prime is 228833201. The reversal of 228833200 is 2338822.

It is not an unprimeable number, because it can be changed into a prime (228833201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1737 + ... + 21463.

It is an arithmetic number, because the mean of its divisors is an integer number (9479304).

Almost surely, 2228833200 is an apocalyptic number.

228833200 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 228833200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284379120).

228833200 is an abundant number, since it is smaller than the sum of its proper divisors (339925040).

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

228833200 is a wasteful number, since it uses less digits than its factorization.

228833200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19774 (or 19763 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 228833200 is about 15127.2337193553. The cubic root of 228833200 is about 611.6547385442.

The spelling of 228833200 in words is "two hundred twenty-eight million, eight hundred thirty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 29 40 50 58 80 100 116 145 200 232 290 400 464 580 725 1160 1450 2320 2900 5800 11600 19727 39454 78908 98635 157816 197270 315632 394540 493175 572083 789080 986350 1144166 1578160 1972700 2288332 2860415 3945400 4576664 5720830 7890800 9153328 11441660 14302075 22883320 28604150 45766640 57208300 114416600 228833200