Base | Representation |
---|---|
bin | 111010000000… |
… | …0100111001101 |
3 | 2010020001100020 |
4 | 1310000213031 |
5 | 30241124323 |
6 | 3003452353 |
7 | 516330300 |
oct | 164004715 |
9 | 63201306 |
10 | 30411213 |
11 | 16191438 |
12 | a2270b9 |
13 | 63ba201 |
14 | 4078b37 |
15 | 2a0aae3 |
hex | 1d009cd |
30411213 has 12 divisors (see below), whose sum is σ = 47168640. Its totient is φ = 17377752.
The previous prime is 30411197. The next prime is 30411247. The reversal of 30411213 is 31211403.
It is not a de Polignac number, because 30411213 - 24 = 30411197 is a prime.
It is a super-2 number, since 2×304112132 = 1849683752262738, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30411192 and 30411201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30411253) 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, 103293 + ... + 103586.
It is an arithmetic number, because the mean of its divisors is an integer number (3930720).
Almost surely, 230411213 is an apocalyptic number.
It is an amenable number.
30411213 is a deficient number, since it is larger than the sum of its proper divisors (16757427).
30411213 is a wasteful number, since it uses less digits than its factorization.
30411213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 206896 (or 206889 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 30411213 is about 5514.6362527369. The cubic root of 30411213 is about 312.1365177554.
Adding to 30411213 its reverse (31211403), we get a palindrome (61622616).
The spelling of 30411213 in words is "thirty million, four hundred eleven thousand, two hundred thirteen".
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