Base | Representation |
---|---|
bin | 111001110110… |
… | …1000011001110 |
3 | 2010001222102120 |
4 | 1303231003032 |
5 | 30231043321 |
6 | 3002033410 |
7 | 515544552 |
oct | 163550316 |
9 | 63058376 |
10 | 30331086 |
11 | 16137215 |
12 | a1a8866 |
13 | 638c8b6 |
14 | 4057862 |
15 | 29e1ec6 |
hex | 1ced0ce |
30331086 has 8 divisors (see below), whose sum is σ = 60662184. Its totient is φ = 10110360.
The previous prime is 30331079. The next prime is 30331097. The reversal of 30331086 is 68013303.
It is a sphenic number, since it is the product of 3 distinct primes.
30331086 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527585 + ... + 2527596.
It is an arithmetic number, because the mean of its divisors is an integer number (7582773).
Almost surely, 230331086 is an apocalyptic number.
30331086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30331086 is a wasteful number, since it uses less digits than its factorization.
30331086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5055186.
The product of its (nonzero) digits is 1296, while the sum is 24.
The square root of 30331086 is about 5507.3665213058. The cubic root of 30331086 is about 311.8621391264.
Adding to 30331086 its reverse (68013303), we get a palindrome (98344389).
The spelling of 30331086 in words is "thirty million, three hundred thirty-one thousand, eighty-six".
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