Base | Representation |
---|---|
bin | 111001010111… |
… | …1011101110011 |
3 | 2002121011101221 |
4 | 1302233131303 |
5 | 30200010320 |
6 | 2552405511 |
7 | 513444253 |
oct | 162573563 |
9 | 62534357 |
10 | 30078835 |
11 | 15a84746 |
12 | a0a6897 |
13 | 6301b37 |
14 | 3dcd963 |
15 | 29923aa |
hex | 1caf773 |
30078835 has 8 divisors (see below), whose sum is σ = 37259136. Its totient is φ = 23286720.
The previous prime is 30078833. The next prime is 30078859. The reversal of 30078835 is 53887003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30078835 - 21 = 30078833 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30078835.
It is not an unprimeable number, because it can be changed into a prime (30078833) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96874 + ... + 97183.
It is an arithmetic number, because the mean of its divisors is an integer number (4657392).
Almost surely, 230078835 is an apocalyptic number.
30078835 is a deficient number, since it is larger than the sum of its proper divisors (7180301).
30078835 is a wasteful number, since it uses less digits than its factorization.
30078835 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 194093.
The product of its (nonzero) digits is 20160, while the sum is 34.
The square root of 30078835 is about 5484.4174713455. The cubic root of 30078835 is about 310.9951888366.
The spelling of 30078835 in words is "thirty million, seventy-eight thousand, eight hundred thirty-five".
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