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2189248 = 2679433
BaseRepresentation
bin1000010110011111000000
311010020002021
420112133000
51030023443
6114531224
724415435
oct10263700
94106067
102189248
1112658a6
12896b14
135b8619
1440db8c
152d39ed
hex2167c0

2189248 has 28 divisors (see below), whose sum is σ = 4409440. Its totient is φ = 1078272.

The previous prime is 2189227. The next prime is 2189249. The reversal of 2189248 is 8429812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4840 + ... + 5272.

It is an arithmetic number, because the mean of its divisors is an integer number (157480).

22189248 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 2189248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2204720).

2189248 is an abundant number, since it is smaller than the sum of its proper divisors (2220192).

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

2189248 is an equidigital number, since it uses as much as digits as its factorization.

2189248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 514 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 2189248 is about 1479.6107596257. The cubic root of 2189248 is about 129.8469204058.

The spelling of 2189248 in words is "two million, one hundred eighty-nine thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 79 158 316 433 632 866 1264 1732 2528 3464 5056 6928 13856 27712 34207 68414 136828 273656 547312 1094624 2189248