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228651360 = 25357174003
BaseRepresentation
bin11011010000011…
…11000101100000
3120221020200200220
431220033011200
5432013320420
634404443040
75444335020
oct1550170540
9527220626
10228651360
11108082173
12646a9480
13384a9482
142251da80
1515118840
hexda0f160

228651360 has 192 divisors, whose sum is σ = 871782912. Its totient is φ = 49176576.

The previous prime is 228651323. The next prime is 228651361. The reversal of 228651360 is 63156822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228651361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55119 + ... + 59121.

It is an arithmetic number, because the mean of its divisors is an integer number (4540536).

Almost surely, 2228651360 is an apocalyptic number.

228651360 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 228651360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435891456).

228651360 is an abundant number, since it is smaller than the sum of its proper divisors (643131552).

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

228651360 is a wasteful number, since it uses less digits than its factorization.

228651360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045 (or 4037 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 228651360 is about 15121.2221728272. Note that the first 3 decimals coincide. The cubic root of 228651360 is about 611.4926805161.

The spelling of 228651360 in words is "two hundred twenty-eight million, six hundred fifty-one thousand, three hundred sixty".