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28822752 = 2532717292
BaseRepresentation
bin110110111110…
…0110011100000
32000020100101100
41231330303200
524334312002
62505434400
7466663230
oct155746340
960210340
1028822752
11152a6a62
12979ba00
135c821aa
143b83cc0
1527e511c
hex1b7cce0

28822752 has 216 divisors, whose sum is σ = 102722256. Its totient is φ = 7483392.

The previous prime is 28822733. The next prime is 28822757. The reversal of 28822752 is 25722882.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28822757) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 993874 + ... + 993902.

It is an arithmetic number, because the mean of its divisors is an integer number (475566).

Almost surely, 228822752 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 28822752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51361128).

28822752 is an abundant number, since it is smaller than the sum of its proper divisors (73899504).

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

28822752 is a wasteful number, since it uses less digits than its factorization.

28822752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 58 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 28822752 is about 5368.6825199484. The cubic root of 28822752 is about 306.6044696379.

The spelling of 28822752 in words is "twenty-eight million, eight hundred twenty-two thousand, seven hundred fifty-two".