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223253223 = 3292566129
BaseRepresentation
bin11010100111010…
…01001011100111
3120120002102211220
431103221023213
5424123100343
634053031423
75350423014
oct1523511347
9516072756
10223253223
111050254a6
1262925573
13373393cb
142191670b
15148ee183
hexd4e92e7

223253223 has 8 divisors (see below), whose sum is σ = 307935600. Its totient is φ = 143703168.

The previous prime is 223253201. The next prime is 223253237. The reversal of 223253223 is 322352322.

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

It is not a de Polignac number, because 223253223 - 216 = 223187687 is a prime.

It is a super-3 number, since 3×2232532233 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223253193 and 223253202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223253263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282978 + ... + 1283151.

It is an arithmetic number, because the mean of its divisors is an integer number (38491950).

Almost surely, 2223253223 is an apocalyptic number.

223253223 is a deficient number, since it is larger than the sum of its proper divisors (84682377).

223253223 is a wasteful number, since it uses less digits than its factorization.

223253223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566161.

The product of its digits is 4320, while the sum is 24.

The square root of 223253223 is about 14941.6606506774. The cubic root of 223253223 is about 606.6421457236.

Subtracting 223253223 from its reverse (322352322), we obtain a palindrome (99099099).

It can be divided in two parts, 2232 and 53223, that added together give a palindrome (55455).

The spelling of 223253223 in words is "two hundred twenty-three million, two hundred fifty-three thousand, two hundred twenty-three".

Divisors: 1 3 29 87 2566129 7698387 74417741 223253223