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223442230 = 25112473929
BaseRepresentation
bin11010101000101…
…11010100110110
3120120110001010011
431110113110312
5424200122410
634101050434
75352141034
oct1524272466
9516401104
10223442230
11105144500
12629b6a1a
13373a444b
1421965554
151493a18a
hexd517536

223442230 has 48 divisors (see below), whose sum is σ = 451604160. Its totient is φ = 79502720.

The previous prime is 223442213. The next prime is 223442239. The reversal of 223442230 is 32244322.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223442239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54906 + ... + 58834.

It is an arithmetic number, because the mean of its divisors is an integer number (9408420).

Almost surely, 2223442230 is an apocalyptic number.

223442230 is an abundant number, since it is smaller than the sum of its proper divisors (228161930).

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

223442230 is a wasteful number, since it uses less digits than its factorization.

223442230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4005 (or 3994 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 223442230 is about 14947.9841450277. The cubic root of 223442230 is about 606.8132925923.

Adding to 223442230 its reverse (32244322), we get a palindrome (255686552).

The spelling of 223442230 in words is "two hundred twenty-three million, four hundred forty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 47 55 94 110 121 235 242 470 517 605 1034 1210 2585 3929 5170 5687 7858 11374 19645 28435 39290 43219 56870 86438 184663 216095 369326 432190 475409 923315 950818 1846630 2031293 2377045 4062586 4754090 10156465 20312930 22344223 44688446 111721115 223442230