Base | Representation |
---|---|
bin | 111010100011… |
… | …0001101100011 |
3 | 2010202112101200 |
4 | 1311012031203 |
5 | 30324240131 |
6 | 3013532243 |
7 | 521625363 |
oct | 165061543 |
9 | 63675350 |
10 | 30696291 |
11 | 1636663a |
12 | a344083 |
13 | 6489bb2 |
14 | 41109a3 |
15 | 2a652e6 |
hex | 1d46363 |
30696291 has 6 divisors (see below), whose sum is σ = 44339100. Its totient is φ = 20464188.
The previous prime is 30696287. The next prime is 30696299. The reversal of 30696291 is 19269603.
It is not a de Polignac number, because 30696291 - 22 = 30696287 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30696299) 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 5 ways as a sum of consecutive naturals, for example, 1705341 + ... + 1705358.
It is an arithmetic number, because the mean of its divisors is an integer number (7389850).
Almost surely, 230696291 is an apocalyptic number.
30696291 is a deficient number, since it is larger than the sum of its proper divisors (13642809).
30696291 is a wasteful number, since it uses less digits than its factorization.
30696291 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3410705 (or 3410702 counting only the distinct ones).
The product of its (nonzero) digits is 17496, while the sum is 36.
The square root of 30696291 is about 5540.4233592750. The cubic root of 30696291 is about 313.1088197264.
The spelling of 30696291 in words is "thirty million, six hundred ninety-six thousand, two hundred ninety-one".
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