Base | Representation |
---|---|
bin | 11011100010100… |
… | …10100001011010 |
3 | 121002201021100111 |
4 | 31301102201122 |
5 | 433120242410 |
6 | 34531354534 |
7 | 5503451326 |
oct | 1561224132 |
9 | 532637314 |
10 | 231024730 |
11 | 109453332 |
12 | 65452a4a |
13 | 38b2a831 |
14 | 2297a986 |
15 | 15436b8a |
hex | dc5285a |
231024730 has 32 divisors (see below), whose sum is σ = 455498640. Its totient is φ = 83973120.
The previous prime is 231024727. The next prime is 231024749. The reversal of 231024730 is 37420132.
It can be written as a sum of positive squares in 8 ways, for example, as 123010281 + 108014449 = 11091^2 + 10393^2 .
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 15 ways as a sum of consecutive naturals, for example, 18501 + ... + 28360.
Almost surely, 2231024730 is an apocalyptic number.
231024730 is a deficient number, since it is larger than the sum of its proper divisors (224473910).
231024730 is a wasteful number, since it uses less digits than its factorization.
231024730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46914.
The product of its (nonzero) digits is 1008, while the sum is 22.
The square root of 231024730 is about 15199.4976890685. The cubic root of 231024730 is about 613.6011390214.
Adding to 231024730 its reverse (37420132), we get a palindrome (268444862).
The spelling of 231024730 in words is "two hundred thirty-one million, twenty-four thousand, seven hundred thirty".
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