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27841230 = 2325714357
BaseRepresentation
bin110101000110…
…1001011001110
31221101110222200
41222031023032
524111404410
62432422330
7455434524
oct152151316
957343880
1027841230
111479658a
1293a79a6
1359ca501
1439aa314
15269e3c0
hex1a8d2ce

27841230 has 48 divisors (see below), whose sum is σ = 73423584. Its totient is φ = 7318080.

The previous prime is 27841217. The next prime is 27841237. The reversal of 27841230 is 3214872.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27841194 and 27841203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27841237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4212 + ... + 8568.

It is an arithmetic number, because the mean of its divisors is an integer number (1529658).

Almost surely, 227841230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27841230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36711792).

27841230 is an abundant number, since it is smaller than the sum of its proper divisors (45582354).

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

27841230 is a wasteful number, since it uses less digits than its factorization.

27841230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441 (or 4438 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 27841230 is about 5276.4789395960. The cubic root of 27841230 is about 303.0838574550.

The spelling of 27841230 in words is "twenty-seven million, eight hundred forty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 71 90 142 213 355 426 639 710 1065 1278 2130 3195 4357 6390 8714 13071 21785 26142 39213 43570 65355 78426 130710 196065 309347 392130 618694 928041 1546735 1856082 2784123 3093470 4640205 5568246 9280410 13920615 27841230