Base | Representation |
---|---|
bin | 111001110000… |
… | …0111001010110 |
3 | 2002222110010201 |
4 | 1303200321112 |
5 | 30223000202 |
6 | 3001011114 |
7 | 515246452 |
oct | 163407126 |
9 | 62873121 |
10 | 30281302 |
11 | 16102877 |
12 | a183a9a |
13 | 637303c |
14 | 4043662 |
15 | 29d2387 |
hex | 1ce0e56 |
30281302 has 8 divisors (see below), whose sum is σ = 45553896. Its totient is φ = 15096672.
The previous prime is 30281297. The next prime is 30281311. The reversal of 30281302 is 20318203.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30281302.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 21123 + ... + 22510.
It is an arithmetic number, because the mean of its divisors is an integer number (5694237).
Almost surely, 230281302 is an apocalyptic number.
30281302 is a deficient number, since it is larger than the sum of its proper divisors (15272594).
30281302 is a wasteful number, since it uses less digits than its factorization.
30281302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43982.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 30281302 is about 5502.8449005946. The cubic root of 30281302 is about 311.6914204684.
Adding to 30281302 its reverse (20318203), we get a palindrome (50599505).
The spelling of 30281302 in words is "thirty million, two hundred eighty-one thousand, three hundred two".
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