Base | Representation |
---|---|
bin | 111001001111… |
… | …1000111000001 |
3 | 2002110202111200 |
4 | 1302133013001 |
5 | 30140334331 |
6 | 2551131413 |
7 | 513045036 |
oct | 162370701 |
9 | 62422450 |
10 | 30011841 |
11 | 15a39382 |
12 | a073b69 |
13 | 62aa4b2 |
14 | 3db338d |
15 | 297c5e6 |
hex | 1c9f1c1 |
30011841 has 12 divisors (see below), whose sum is σ = 43434768. Its totient is φ = 19968984.
The previous prime is 30011837. The next prime is 30011843. The reversal of 30011841 is 14811003.
It is not a de Polignac number, because 30011841 - 22 = 30011837 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30011843) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2106 + ... + 8028.
It is an arithmetic number, because the mean of its divisors is an integer number (3619564).
Almost surely, 230011841 is an apocalyptic number.
It is an amenable number.
30011841 is a deficient number, since it is larger than the sum of its proper divisors (13422927).
30011841 is a wasteful number, since it uses less digits than its factorization.
30011841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6492 (or 6489 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
The square root of 30011841 is about 5478.3063988791. The cubic root of 30011841 is about 310.7641260403.
Adding to 30011841 its reverse (14811003), we get a palindrome (44822844).
The spelling of 30011841 in words is "thirty million, eleven thousand, eight hundred forty-one".
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