Base | Representation |
---|---|
bin | 10001010010000111111001 |
3 | 22112011221000 |
4 | 101102013321 |
5 | 2124440211 |
6 | 241035213 |
7 | 53336661 |
oct | 21220771 |
9 | 8464830 |
10 | 4530681 |
11 | 2614a71 |
12 | 1625b09 |
13 | c2829c |
14 | 85d1a1 |
15 | 5e7656 |
hex | 4521f9 |
4530681 has 16 divisors (see below), whose sum is σ = 6929920. Its totient is φ = 2922480.
The previous prime is 4530679. The next prime is 4530703. The reversal of 4530681 is 1860354.
It is not a de Polignac number, because 4530681 - 21 = 4530679 is a prime.
It is a super-2 number, since 2×45306812 = 41054140647522, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (4530601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1870 + ... + 3543.
It is an arithmetic number, because the mean of its divisors is an integer number (433120).
Almost surely, 24530681 is an apocalyptic number.
It is an amenable number.
4530681 is a deficient number, since it is larger than the sum of its proper divisors (2399239).
4530681 is a wasteful number, since it uses less digits than its factorization.
4530681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5453 (or 5447 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 4530681 is about 2128.5396402228. The cubic root of 4530681 is about 165.4707219348.
The spelling of 4530681 in words is "four million, five hundred thirty thousand, six hundred eighty-one".
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