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223343242 = 2229487649
BaseRepresentation
bin11010100111111…
…11001010001010
3120120021000022221
431103333022022
5424133440432
634055004254
75351246323
oct1523771212
9516230287
10223343242
111050870a1
126296968a
133736b385
142193b44a
151491ab97
hexd4ff28a

223343242 has 8 divisors (see below), whose sum is σ = 336478500. Its totient is φ = 111183744.

The previous prime is 223343231. The next prime is 223343249. The reversal of 223343242 is 242343322.

It can be written as a sum of positive squares in 2 ways, for example, as 161264601 + 62078641 = 12699^2 + 7879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (223343249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243367 + ... + 244282.

Almost surely, 2223343242 is an apocalyptic number.

223343242 is a deficient number, since it is larger than the sum of its proper divisors (113135258).

223343242 is a wasteful number, since it uses less digits than its factorization.

223343242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487880.

The product of its digits is 6912, while the sum is 25.

The square root of 223343242 is about 14944.6726963156. The cubic root of 223343242 is about 606.7236704611.

Adding to 223343242 its reverse (242343322), we get a palindrome (465686564).

The spelling of 223343242 in words is "two hundred twenty-three million, three hundred forty-three thousand, two hundred forty-two".

Divisors: 1 2 229 458 487649 975298 111671621 223343242