Base | Representation |
---|---|
bin | 111001110101… |
… | …1110101101001 |
3 | 2010001201121200 |
4 | 1303223311221 |
5 | 30230413441 |
6 | 3001554413 |
7 | 515524230 |
oct | 163536551 |
9 | 63051550 |
10 | 30326121 |
11 | 16133511 |
12 | a1a5a09 |
13 | 638a567 |
14 | 4055b17 |
15 | 29e07b6 |
hex | 1cebd69 |
30326121 has 24 divisors (see below), whose sum is σ = 52241280. Its totient is φ = 16574976.
The previous prime is 30326117. The next prime is 30326129. The reversal of 30326121 is 12162303.
It is not a de Polignac number, because 30326121 - 22 = 30326117 is a prime.
It is a super-2 number, since 2×303261212 = 1839347229813282, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30326094 and 30326103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30326129) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9016 + ... + 11913.
It is an arithmetic number, because the mean of its divisors is an integer number (2176720).
Almost surely, 230326121 is an apocalyptic number.
It is an amenable number.
30326121 is a deficient number, since it is larger than the sum of its proper divisors (21915159).
30326121 is a wasteful number, since it uses less digits than its factorization.
30326121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20965 (or 20962 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 30326121 is about 5506.9157429545. The cubic root of 30326121 is about 311.8451216017.
Adding to 30326121 its reverse (12162303), we get a palindrome (42488424).
The spelling of 30326121 in words is "thirty million, three hundred twenty-six thousand, one hundred twenty-one".
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