Base | Representation |
---|---|
bin | 111001111000… |
… | …0100011001110 |
3 | 2010002201002112 |
4 | 1303300203032 |
5 | 30232023142 |
6 | 3002224022 |
7 | 515634422 |
oct | 163604316 |
9 | 63081075 |
10 | 30345422 |
11 | 16146a68 |
12 | a1b5012 |
13 | 6396293 |
14 | 405cb82 |
15 | 29e6382 |
hex | 1cf08ce |
30345422 has 4 divisors (see below), whose sum is σ = 45518136. Its totient is φ = 15172710.
The previous prime is 30345407. The next prime is 30345433. The reversal of 30345422 is 22454303.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22454303 = 1571 ⋅14293.
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 as a sum of consecutive naturals, namely, 7586354 + ... + 7586357.
It is an arithmetic number, because the mean of its divisors is an integer number (11379534).
Almost surely, 230345422 is an apocalyptic number.
30345422 is a deficient number, since it is larger than the sum of its proper divisors (15172714).
30345422 is a wasteful number, since it uses less digits than its factorization.
30345422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15172713.
The product of its (nonzero) digits is 2880, while the sum is 23.
The square root of 30345422 is about 5508.6678970510. The cubic root of 30345422 is about 311.9112653092.
Adding to 30345422 its reverse (22454303), we get a palindrome (52799725).
The spelling of 30345422 in words is "thirty million, three hundred forty-five thousand, four hundred twenty-two".
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