Base | Representation |
---|---|
bin | 11011011010111… |
… | …11111101101100 |
3 | 121000211210111112 |
4 | 31231133331230 |
5 | 432341444322 |
6 | 34454211152 |
7 | 5462142635 |
oct | 1555377554 |
9 | 530753445 |
10 | 230031212 |
11 | 108934944 |
12 | 65053ab8 |
13 | 38870558 |
14 | 2279c88c |
15 | 152dc5e2 |
hex | db5ff6c |
230031212 has 18 divisors (see below), whose sum is σ = 404532828. Its totient is φ = 114452832.
The previous prime is 230031169. The next prime is 230031251. The reversal of 230031212 is 212130032.
It is a happy number.
It is a super-3 number, since 3×2300312123 (a number of 26 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 391583 + ... + 392169.
It is an arithmetic number, because the mean of its divisors is an integer number (22474046).
Almost surely, 2230031212 is an apocalyptic number.
It is an amenable number.
230031212 is a deficient number, since it is larger than the sum of its proper divisors (174501616).
230031212 is an equidigital number, since it uses as much as digits as its factorization.
230031212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1217 (or 902 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 230031212 is about 15166.7798823613. The cubic root of 230031212 is about 612.7202812844.
Adding to 230031212 its reverse (212130032), we get a palindrome (442161244).
The spelling of 230031212 in words is "two hundred thirty million, thirty-one thousand, two hundred twelve".
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