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18223314 = 2323374383
BaseRepresentation
bin100010110000…
…1000011010010
31021021211200120
41011201003102
514131121224
61450331110
7310616124
oct105410322
937254616
1018223314
11a31749a
126129a96
133a10835
1425c5214
1518ee779
hex11610d2

18223314 has 64 divisors (see below), whose sum is σ = 40449024. Its totient is φ = 5455296.

The previous prime is 18223313. The next prime is 18223321. The reversal of 18223314 is 41332281.

It is not an unprimeable number, because it can be changed into a prime (18223313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219517 + ... + 219599.

It is an arithmetic number, because the mean of its divisors is an integer number (632016).

Almost surely, 218223314 is an apocalyptic number.

18223314 is an abundant number, since it is smaller than the sum of its proper divisors (22225710).

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

18223314 is a wasteful number, since it uses less digits than its factorization.

18223314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191.

The product of its digits is 1152, while the sum is 24.

The square root of 18223314 is about 4268.8773699885. The cubic root of 18223314 is about 263.1534811372.

Adding to 18223314 its reverse (41332281), we get a palindrome (59555595).

The spelling of 18223314 in words is "eighteen million, two hundred twenty-three thousand, three hundred fourteen".

Divisors: 1 2 3 6 23 37 43 46 69 74 83 86 111 129 138 166 222 249 258 498 851 989 1591 1702 1909 1978 2553 2967 3071 3182 3569 3818 4773 5106 5727 5934 6142 7138 9213 9546 10707 11454 18426 21414 36593 70633 73186 82087 109779 132053 141266 164174 211899 219558 246261 264106 396159 423798 492522 792318 3037219 6074438 9111657 18223314