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228882528 = 253274331
BaseRepresentation
bin11011010010001…
…11100001100000
3120221200102210200
431221013201200
5432043220103
634413425200
75446320000
oct1551074140
9527612720
10228882528
1110821a916
126479b200
133855a764
1422580000
15151620a3
hexda47860

228882528 has 180 divisors, whose sum is σ = 761614308. Its totient is φ = 65197440.

The previous prime is 228882503. The next prime is 228882551. The reversal of 228882528 is 825288822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 691323 + ... + 691653.

Almost surely, 2228882528 is an apocalyptic number.

228882528 is a gapful number since it is divisible by the number (28) 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 228882528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380807154).

228882528 is an abundant number, since it is smaller than the sum of its proper divisors (532731780).

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

228882528 is an equidigital number, since it uses as much as digits as its factorization.

228882528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 343 counting only the distinct ones).

The product of its digits is 327680, while the sum is 45.

The square root of 228882528 is about 15128.8640683959. The cubic root of 228882528 is about 611.6986854558.

The spelling of 228882528 in words is "two hundred twenty-eight million, eight hundred eighty-two thousand, five hundred twenty-eight".