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223232012 = 22293190471
BaseRepresentation
bin11010100111001…
…00000000001100
3120120001100202022
431103210000030
5424121411022
634052345312
75350304123
oct1523440014
9516040668
10223232012
11105010573
1262915238
133732c863
142190caba
15148e7c42
hexd4e400c

223232012 has 12 divisors (see below), whose sum is σ = 391991376. Its totient is φ = 111234480.

The previous prime is 223232011. The next prime is 223232039. The reversal of 223232012 is 210232322.

It is a super-3 number, since 3×2232320123 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223232011) 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, 94064 + ... + 96407.

It is an arithmetic number, because the mean of its divisors is an integer number (32665948).

Almost surely, 2223232012 is an apocalyptic number.

It is an amenable number.

223232012 is a deficient number, since it is larger than the sum of its proper divisors (168759364).

223232012 is a wasteful number, since it uses less digits than its factorization.

223232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190768 (or 190766 counting only the distinct ones).

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

The square root of 223232012 is about 14940.9508398897. The cubic root of 223232012 is about 606.6229330199.

Adding to 223232012 its reverse (210232322), we get a palindrome (433464334).

The spelling of 223232012 in words is "two hundred twenty-three million, two hundred thirty-two thousand, twelve".

Divisors: 1 2 4 293 586 1172 190471 380942 761884 55808003 111616006 223232012