Base | Representation |
---|---|
bin | 111001101011… |
… | …0110001010010 |
3 | 2002220100020120 |
4 | 1303112301102 |
5 | 30220133301 |
6 | 3000051110 |
7 | 515014521 |
oct | 163266122 |
9 | 62810216 |
10 | 30239826 |
11 | 160846a1 |
12 | a163a96 |
13 | 635a1b6 |
14 | 40324b8 |
15 | 29c4e36 |
hex | 1cd6c52 |
30239826 has 8 divisors (see below), whose sum is σ = 60479664. Its totient is φ = 10079940.
The previous prime is 30239791. The next prime is 30239827. The reversal of 30239826 is 62893203.
It is a sphenic number, since it is the product of 3 distinct primes.
30239826 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (30239827) 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 3 ways as a sum of consecutive naturals, for example, 2519980 + ... + 2519991.
It is an arithmetic number, because the mean of its divisors is an integer number (7559958).
Almost surely, 230239826 is an apocalyptic number.
30239826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30239826 is a wasteful number, since it uses less digits than its factorization.
30239826 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5039976.
The product of its (nonzero) digits is 15552, while the sum is 33.
The square root of 30239826 is about 5499.0750131272. The cubic root of 30239826 is about 311.5490485610.
The spelling of 30239826 in words is "thirty million, two hundred thirty-nine thousand, eight hundred twenty-six".
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