Base | Representation |
---|---|
bin | 111001111000… |
… | …0001101001101 |
3 | 2010002122011100 |
4 | 1303300031031 |
5 | 30232002023 |
6 | 3002213313 |
7 | 515630340 |
oct | 163601515 |
9 | 63078140 |
10 | 30344013 |
11 | 161459a7 |
12 | a1b4239 |
13 | 639574b |
14 | 405c457 |
15 | 29e5c43 |
hex | 1cf034d |
30344013 has 12 divisors (see below), whose sum is σ = 50091808. Its totient is φ = 17339400.
The previous prime is 30343991. The next prime is 30344029. The reversal of 30344013 is 31044303.
It is not a de Polignac number, because 30344013 - 26 = 30343949 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30344213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240763 + ... + 240888.
Almost surely, 230344013 is an apocalyptic number.
It is an amenable number.
30344013 is a deficient number, since it is larger than the sum of its proper divisors (19747795).
30344013 is a wasteful number, since it uses less digits than its factorization.
30344013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 481664 (or 481661 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 30344013 is about 5508.5400062085. The cubic root of 30344013 is about 311.9064376752.
Adding to 30344013 its reverse (31044303), we get a palindrome (61388316).
The spelling of 30344013 in words is "thirty million, three hundred forty-four thousand, thirteen".
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