Base | Representation |
---|---|
bin | 100010010111110… |
… | …111011011010001 |
3 | 1111012010110112210 |
4 | 202113313123101 |
5 | 2140112303211 |
6 | 133120142333 |
7 | 20201466462 |
oct | 4227673321 |
9 | 1435113483 |
10 | 576681681 |
11 | 276581534 |
12 | 1411679a9 |
13 | 92622c84 |
14 | 56836d69 |
15 | 359639a6 |
hex | 225f76d1 |
576681681 has 16 divisors (see below), whose sum is σ = 787104000. Its totient is φ = 375395328.
The previous prime is 576681661. The next prime is 576681683. The reversal of 576681681 is 186186675.
It is not a de Polignac number, because 576681681 - 25 = 576681649 is a prime.
It is a super-2 number, since 2×5766816812 = 665123522401971522, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 576681681.
It is not an unprimeable number, because it can be changed into a prime (576681683) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58755 + ... + 67863.
It is an arithmetic number, because the mean of its divisors is an integer number (49194000).
Almost surely, 2576681681 is an apocalyptic number.
It is an amenable number.
576681681 is a deficient number, since it is larger than the sum of its proper divisors (210422319).
576681681 is a wasteful number, since it uses less digits than its factorization.
576681681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9608.
The product of its digits is 483840, while the sum is 48.
The square root of 576681681 is about 24014.1974881527. The cubic root of 576681681 is about 832.3616298267.
The spelling of 576681681 in words is "five hundred seventy-six million, six hundred eighty-one thousand, six hundred eighty-one".
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