Base | Representation |
---|---|
bin | 111001001111… |
… | …0100000110110 |
3 | 2002110122011012 |
4 | 1302132200312 |
5 | 30140300043 |
6 | 2551112222 |
7 | 513034646 |
oct | 162364066 |
9 | 62418135 |
10 | 30009398 |
11 | 15a37561 |
12 | a072672 |
13 | 62a9353 |
14 | 3db2526 |
15 | 297ba18 |
hex | 1c9e836 |
30009398 has 8 divisors (see below), whose sum is σ = 47383320. Its totient is φ = 14214960.
The previous prime is 30009389. The next prime is 30009401. The reversal of 30009398 is 89390003.
It is a sphenic number, since it is the product of 3 distinct primes.
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, 394823 + ... + 394898.
It is an arithmetic number, because the mean of its divisors is an integer number (5922915).
Almost surely, 230009398 is an apocalyptic number.
30009398 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
30009398 is a deficient number, since it is larger than the sum of its proper divisors (17373922).
30009398 is a wasteful number, since it uses less digits than its factorization.
30009398 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 789742.
The product of its (nonzero) digits is 5832, while the sum is 32.
The square root of 30009398 is about 5478.0834239723. The cubic root of 30009398 is about 310.7556936202.
The spelling of 30009398 in words is "thirty million, nine thousand, three hundred ninety-eight".
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