Base | Representation |
---|---|
bin | 111001001111… |
… | …0101111000111 |
3 | 2002110200102000 |
4 | 1302132233013 |
5 | 30140312221 |
6 | 2551120343 |
7 | 513040422 |
oct | 162365707 |
9 | 62420360 |
10 | 30010311 |
11 | 15a38211 |
12 | a0730b3 |
13 | 62a98a6 |
14 | 3db29b9 |
15 | 297be26 |
hex | 1c9ebc7 |
30010311 has 8 divisors (see below), whose sum is σ = 44459760. Its totient is φ = 20006856.
The previous prime is 30010307. The next prime is 30010327. The reversal of 30010311 is 11301003.
It is not a de Polignac number, because 30010311 - 22 = 30010307 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 30010293 and 30010302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30010301) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555720 + ... + 555773.
It is an arithmetic number, because the mean of its divisors is an integer number (5557470).
Almost surely, 230010311 is an apocalyptic number.
30010311 is a deficient number, since it is larger than the sum of its proper divisors (14449449).
30010311 is a wasteful number, since it uses less digits than its factorization.
30010311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1111502 (or 1111496 counting only the distinct ones).
The product of its (nonzero) digits is 9, while the sum is 9.
The square root of 30010311 is about 5478.1667554028. The cubic root of 30010311 is about 310.7588450448.
Adding to 30010311 its reverse (11301003), we get a palindrome (41311314).
The spelling of 30010311 in words is "thirty million, ten thousand, three hundred eleven".
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