Base | Representation |
---|---|
bin | 111001010010… |
… | …0010011110101 |
3 | 2002111211201120 |
4 | 1302210103311 |
5 | 30142030031 |
6 | 2551414153 |
7 | 513164115 |
oct | 162442365 |
9 | 62454646 |
10 | 30033141 |
11 | 15a53386 |
12 | a084359 |
13 | 62b70b8 |
14 | 3dbb045 |
15 | 2983a96 |
hex | 1ca44f5 |
30033141 has 16 divisors (see below), whose sum is σ = 42221568. Its totient is φ = 18961200.
The previous prime is 30033131. The next prime is 30033151. The reversal of 30033141 is 14133003.
It is an interprime number because it is at equal distance from previous prime (30033131) and next prime (30033151).
It is a de Polignac number, because none of the positive numbers 2k-30033141 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30033141.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30033131) 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 15 ways as a sum of consecutive naturals, for example, 936 + ... + 7806.
It is an arithmetic number, because the mean of its divisors is an integer number (2638848).
Almost surely, 230033141 is an apocalyptic number.
30033141 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
30033141 is a deficient number, since it is larger than the sum of its proper divisors (12188427).
30033141 is a wasteful number, since it uses less digits than its factorization.
30033141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6952.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 30033141 is about 5480.2500855344. The cubic root of 30033141 is about 310.8376271468.
Adding to 30033141 its reverse (14133003), we get a palindrome (44166144).
The spelling of 30033141 in words is "thirty million, thirty-three thousand, one hundred forty-one".
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