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223830860 = 225111735881
BaseRepresentation
bin11010101011101…
…10001101001100
3120121011210012212
431111312031030
5424300041420
634113245552
75355350051
oct1525661514
9517153185
10223830860
1110538a490
1262b638b8
13374ac2c6
1421a27028
15149b53c5
hexd57634c

223830860 has 48 divisors (see below), whose sum is σ = 515827872. Its totient is φ = 80908800.

The previous prime is 223830833. The next prime is 223830863. The reversal of 223830860 is 68038322.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (223830863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35120 + ... + 41000.

It is an arithmetic number, because the mean of its divisors is an integer number (10746414).

Almost surely, 2223830860 is an apocalyptic number.

223830860 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 223830860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257913936).

223830860 is an abundant number, since it is smaller than the sum of its proper divisors (291997012).

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

223830860 is a wasteful number, since it uses less digits than its factorization.

223830860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6074 (or 6072 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 223830860 is about 14960.9779092144. The cubic root of 223830860 is about 607.1648961649.

The spelling of 223830860 in words is "two hundred twenty-three million, eight hundred thirty thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 173 220 346 692 865 1730 1903 3460 3806 5881 7612 9515 11762 19030 23524 29405 38060 58810 64691 117620 129382 258764 323455 646910 1017413 1293820 2034826 4069652 5087065 10174130 11191543 20348260 22383086 44766172 55957715 111915430 223830860