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223342135 = 5311738329
BaseRepresentation
bin11010100111111…
…10111000110111
3120120020221210221
431103332320313
5424133422020
634054555211
75351243152
oct1523767067
9516227727
10223342135
11105086285
1262968b07
133736aa13
142193ac99
151491a6aa
hexd4fee37

223342135 has 16 divisors (see below), whose sum is σ = 278288640. Its totient is φ = 171889920.

The previous prime is 223342069. The next prime is 223342151. The reversal of 223342135 is 531243322.

It is not a de Polignac number, because 223342135 - 211 = 223340087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22651 + ... + 30979.

It is an arithmetic number, because the mean of its divisors is an integer number (17393040).

Almost surely, 2223342135 is an apocalyptic number.

223342135 is a deficient number, since it is larger than the sum of its proper divisors (54946505).

223342135 is a wasteful number, since it uses less digits than its factorization.

223342135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8538.

The product of its digits is 4320, while the sum is 25.

The square root of 223342135 is about 14944.6356596606. The cubic root of 223342135 is about 606.7226680515.

Adding to 223342135 its reverse (531243322), we get a palindrome (754585457).

The spelling of 223342135 in words is "two hundred twenty-three million, three hundred forty-two thousand, one hundred thirty-five".

Divisors: 1 5 31 155 173 865 5363 8329 26815 41645 258199 1290995 1440917 7204585 44668427 223342135