Base | Representation |
---|---|
bin | 11111011001101011001110 |
3 | 120111012200012 |
4 | 133121223032 |
5 | 4101403010 |
6 | 452233222 |
7 | 126652631 |
oct | 37315316 |
9 | 16435605 |
10 | 8231630 |
11 | 4712600 |
12 | 290b812 |
13 | 19229b4 |
14 | 1143c18 |
15 | ac9005 |
hex | 7d9ace |
8231630 has 24 divisors (see below), whose sum is σ = 16288776. Its totient is φ = 2992880.
The previous prime is 8231593. The next prime is 8231633. The reversal of 8231630 is 361328.
It is a junction number, because it is equal to n+sod(n) for n = 8231596 and 8231605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8231633) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2192 + ... + 4611.
It is an arithmetic number, because the mean of its divisors is an integer number (678699).
Almost surely, 28231630 is an apocalyptic number.
8231630 is a deficient number, since it is larger than the sum of its proper divisors (8057146).
8231630 is a wasteful number, since it uses less digits than its factorization.
8231630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6832 (or 6821 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 23.
The square root of 8231630 is about 2869.0817346322. The cubic root of 8231630 is about 201.9119146711.
Adding to 8231630 its sum of digits (23), we get a triangular number (8231653 = T4057).
Adding to 8231630 its reverse (361328), we get a palindrome (8592958).
The spelling of 8231630 in words is "eight million, two hundred thirty-one thousand, six hundred thirty".
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