Base | Representation |
---|---|
bin | 111001001110… |
… | …0010000001101 |
3 | 2002110011110100 |
4 | 1302130100031 |
5 | 30140001031 |
6 | 2551001313 |
7 | 512665653 |
oct | 162342015 |
9 | 62404410 |
10 | 30000141 |
11 | 15a30606 |
12 | a069239 |
13 | 62a5082 |
14 | 3dacdd3 |
15 | 2978de6 |
hex | 1c9c40d |
30000141 has 12 divisors (see below), whose sum is σ = 43392960. Its totient is φ = 19972680.
The previous prime is 30000137. The next prime is 30000149. The reversal of 30000141 is 14100003.
It is not a de Polignac number, because 30000141 - 22 = 30000137 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30000149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6370 + ... + 10028.
It is an arithmetic number, because the mean of its divisors is an integer number (3616080).
Almost surely, 230000141 is an apocalyptic number.
It is an amenable number.
30000141 is a deficient number, since it is larger than the sum of its proper divisors (13392819).
30000141 is a wasteful number, since it uses less digits than its factorization.
30000141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4576 (or 4573 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 30000141 is about 5477.2384465166. The cubic root of 30000141 is about 310.7237373944.
Adding to 30000141 its reverse (14100003), we get a palindrome (44100144).
The spelling of 30000141 in words is "thirty million, one hundred forty-one", and thus it is an aban number.
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