Base | Representation |
---|---|
bin | 10011100011010… |
… | …100111101111111 |
3 | 211212020112212100 |
4 | 103203110331333 |
5 | 1132433344111 |
6 | 52314440143 |
7 | 11062122642 |
oct | 2343247577 |
9 | 755215770 |
10 | 328028031 |
11 | 159188351 |
12 | 91a33053 |
13 | 52c62336 |
14 | 317cba59 |
15 | 1dbe8756 |
hex | 138d4f7f |
328028031 has 12 divisors (see below), whose sum is σ = 474625008. Its totient is φ = 218313024.
The previous prime is 328028017. The next prime is 328028033. The reversal of 328028031 is 130820823.
It is not a de Polignac number, because 328028031 - 26 = 328027967 is a prime.
It is a super-2 number, since 2×3280280312 = 215204778243473922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 328027986 and 328028004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (328028033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25395 + ... + 36068.
It is an arithmetic number, because the mean of its divisors is an integer number (39552084).
Almost surely, 2328028031 is an apocalyptic number.
328028031 is a deficient number, since it is larger than the sum of its proper divisors (146596977).
328028031 is a wasteful number, since it uses less digits than its factorization.
328028031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62062 (or 62059 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 328028031 is about 18111.5441362684. The cubic root of 328028031 is about 689.6630932441.
Adding to 328028031 its reverse (130820823), we get a palindrome (458848854).
The spelling of 328028031 in words is "three hundred twenty-eight million, twenty-eight thousand, thirty-one".
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