Base | Representation |
---|---|
bin | 111001110101… |
… | …1100100010111 |
3 | 2010001200002201 |
4 | 1303223210113 |
5 | 30230400030 |
6 | 3001545331 |
7 | 515521060 |
oct | 163534427 |
9 | 63050081 |
10 | 30325015 |
11 | 161326a6 |
12 | a1a5247 |
13 | 6389bc6 |
14 | 4055567 |
15 | 29e02ca |
hex | 1ceb917 |
30325015 has 16 divisors (see below), whose sum is σ = 42714432. Its totient is φ = 20231424.
The previous prime is 30324989. The next prime is 30325027. The reversal of 30325015 is 51052303.
It is a cyclic number.
It is not a de Polignac number, because 30325015 - 27 = 30324887 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30324983 and 30325001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10414 + ... + 13003.
It is an arithmetic number, because the mean of its divisors is an integer number (2669652).
Almost surely, 230325015 is an apocalyptic number.
30325015 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30325015 is a deficient number, since it is larger than the sum of its proper divisors (12389417).
30325015 is a wasteful number, since it uses less digits than its factorization.
30325015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23466.
The product of its (nonzero) digits is 450, while the sum is 19.
The square root of 30325015 is about 5506.8153228522. The cubic root of 30325015 is about 311.8413305366.
Adding to 30325015 its reverse (51052303), we get a palindrome (81377318).
The spelling of 30325015 in words is "thirty million, three hundred twenty-five thousand, fifteen".
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