Base | Representation |
---|---|
bin | 111010000010… |
… | …0010100010001 |
3 | 2010020211011011 |
4 | 1310010110101 |
5 | 30242121020 |
6 | 3004050521 |
7 | 516422443 |
oct | 164042421 |
9 | 63224134 |
10 | 30426385 |
11 | 161a1880 |
12 | a233a41 |
13 | 63c40a2 |
14 | 4080493 |
15 | 2a1035a |
hex | 1d04511 |
30426385 has 8 divisors (see below), whose sum is σ = 39830976. Its totient is φ = 22128240.
The previous prime is 30426377. The next prime is 30426397. The reversal of 30426385 is 58362403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30426385 - 23 = 30426377 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276549 + ... + 276658.
It is an arithmetic number, because the mean of its divisors is an integer number (4978872).
Almost surely, 230426385 is an apocalyptic number.
It is an amenable number.
30426385 is a deficient number, since it is larger than the sum of its proper divisors (9404591).
30426385 is a wasteful number, since it uses less digits than its factorization.
30426385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 553223.
The product of its (nonzero) digits is 17280, while the sum is 31.
The square root of 30426385 is about 5516.0116932436. The cubic root of 30426385 is about 312.1884169010.
Adding to 30426385 its reverse (58362403), we get a palindrome (88788788).
The spelling of 30426385 in words is "thirty million, four hundred twenty-six thousand, three hundred eighty-five".
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