Base | Representation |
---|---|
bin | 11011011010111… |
… | …00111010111010 |
3 | 121000211011101211 |
4 | 31231130322322 |
5 | 432341044441 |
6 | 34454033334 |
7 | 5462061406 |
oct | 1555347272 |
9 | 530734354 |
10 | 230018746 |
11 | 108926541 |
12 | 6504884a |
13 | 38867989 |
14 | 22798106 |
15 | 152d8a81 |
hex | db5ceba |
230018746 has 8 divisors (see below), whose sum is σ = 345552084. Its totient is φ = 114834720.
The previous prime is 230018741. The next prime is 230018779. The reversal of 230018746 is 647810032.
It can be written as a sum of positive squares in 2 ways, for example, as 217238121 + 12780625 = 14739^2 + 3575^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×2300187462 = 105817247022825032, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (230018741) 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, 85675 + ... + 88318.
Almost surely, 2230018746 is an apocalyptic number.
230018746 is a deficient number, since it is larger than the sum of its proper divisors (115533338).
230018746 is a wasteful number, since it uses less digits than its factorization.
230018746 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174656.
The product of its (nonzero) digits is 8064, while the sum is 31.
The square root of 230018746 is about 15166.3689128281. The cubic root of 230018746 is about 612.7092127733.
Adding to 230018746 its reverse (647810032), we get a palindrome (877828778).
The spelling of 230018746 in words is "two hundred thirty million, eighteen thousand, seven hundred forty-six".
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