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223302212 = 22721961983
BaseRepresentation
bin11010100111101…
…01001001000100
3120120011221001022
431103311021010
5424131132322
634054050312
75351015600
oct1523651104
9516157038
10223302212
11105059291
1262949998
13373557b3
142192a500
151490d942
hexd4f5244

223302212 has 72 divisors (see below), whose sum is σ = 486843840. Its totient is φ = 89087040.

The previous prime is 223302203. The next prime is 223302221. The reversal of 223302212 is 212203322.

223302212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (223302203) and next prime (223302221).

It is an unprimeable number.

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, 226673 + ... + 227655.

It is an arithmetic number, because the mean of its divisors is an integer number (6761720).

Almost surely, 2223302212 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 223302212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243421920).

223302212 is an abundant number, since it is smaller than the sum of its proper divisors (263541628).

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

223302212 is a wasteful number, since it uses less digits than its factorization.

223302212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 223302212 is about 14943.2999033011. The cubic root of 223302212 is about 606.6865148010.

Adding to 223302212 its reverse (212203322), we get a palindrome (435505534).

It can be divided in two parts, 22330 and 2212, that added together give a palindrome (24542).

The spelling of 223302212 in words is "two hundred twenty-three million, three hundred two thousand, two hundred twelve".

Divisors: 1 2 4 7 14 19 28 38 49 61 76 98 122 133 196 244 266 427 532 854 931 983 1159 1708 1862 1966 2318 2989 3724 3932 4636 5978 6881 8113 11956 13762 16226 18677 27524 32452 37354 48167 56791 59963 74708 96334 113582 119926 130739 192668 227164 239852 261478 419741 522956 839482 915173 1139297 1678964 1830346 2278594 2938187 3660692 4557188 5876374 7975079 11752748 15950158 31900316 55825553 111651106 223302212