Base | Representation |
---|---|
bin | 11010100111000… |
… | …11110001000010 |
3 | 120120001022102101 |
4 | 31103203301002 |
5 | 424121343132 |
6 | 34052341014 |
7 | 5350301236 |
oct | 1523436102 |
9 | 516038371 |
10 | 223231042 |
11 | 10500a871 |
12 | 6291476a |
13 | 3732c298 |
14 | 2190c5c6 |
15 | 148e77e7 |
hex | d4e3c42 |
223231042 has 8 divisors (see below), whose sum is σ = 334912716. Its totient is φ = 111593472.
The previous prime is 223231013. The next prime is 223231087. The reversal of 223231042 is 240132322.
It can be written as a sum of positive squares in 2 ways, for example, as 222576561 + 654481 = 14919^2 + 809^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×2232310423 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8658 + ... + 22834.
Almost surely, 2223231042 is an apocalyptic number.
223231042 is a deficient number, since it is larger than the sum of its proper divisors (111681674).
223231042 is a wasteful number, since it uses less digits than its factorization.
223231042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22052.
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 223231042 is about 14940.9183787343. The cubic root of 223231042 is about 606.6220543748.
Adding to 223231042 its reverse (240132322), we get a palindrome (463363364).
The spelling of 223231042 in words is "two hundred twenty-three million, two hundred thirty-one thousand, forty-two".
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