Base | Representation |
---|---|
bin | 111001010000… |
… | …1111011000101 |
3 | 2002111100022111 |
4 | 1302201323011 |
5 | 30141221430 |
6 | 2551301021 |
7 | 513123451 |
oct | 162417305 |
9 | 62440274 |
10 | 30023365 |
11 | 15a46aa9 |
12 | a07a771 |
13 | 62b2808 |
14 | 3db7661 |
15 | 2980c2a |
hex | 1ca1ec5 |
30023365 has 16 divisors (see below), whose sum is σ = 37013760. Its totient is φ = 23368000.
The previous prime is 30023347. The next prime is 30023369. The reversal of 30023365 is 56332003.
It is not a de Polignac number, because 30023365 - 211 = 30021317 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30023369) 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 15 ways as a sum of consecutive naturals, for example, 58731 + ... + 59239.
It is an arithmetic number, because the mean of its divisors is an integer number (2313360).
Almost surely, 230023365 is an apocalyptic number.
It is an amenable number.
30023365 is a deficient number, since it is larger than the sum of its proper divisors (6990395).
30023365 is a wasteful number, since it uses less digits than its factorization.
30023365 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 812.
The product of its (nonzero) digits is 1620, while the sum is 22.
The square root of 30023365 is about 5479.3580828415. The cubic root of 30023365 is about 310.8038968707.
Adding to 30023365 its reverse (56332003), we get a palindrome (86355368).
The spelling of 30023365 in words is "thirty million, twenty-three thousand, three hundred sixty-five".
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