Base | Representation |
---|---|
bin | 111001100010… |
… | …0100000111111 |
3 | 2002202112200021 |
4 | 1303010200333 |
5 | 30210240210 |
6 | 2554313011 |
7 | 514253524 |
oct | 163044077 |
9 | 62675607 |
10 | 30165055 |
11 | 160334a8 |
12 | a128767 |
13 | 633215b |
14 | 401314b |
15 | 29acbda |
hex | 1cc483f |
30165055 has 8 divisors (see below), whose sum is σ = 38327472. Its totient is φ = 22712448.
The previous prime is 30165019. The next prime is 30165061. The reversal of 30165055 is 55056103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30165055 is a prime.
It is a Duffinian number.
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 7 ways as a sum of consecutive naturals, for example, 177357 + ... + 177526.
It is an arithmetic number, because the mean of its divisors is an integer number (4790934).
Almost surely, 230165055 is an apocalyptic number.
30165055 is a deficient number, since it is larger than the sum of its proper divisors (8162417).
30165055 is a wasteful number, since it uses less digits than its factorization.
30165055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 354905.
The product of its (nonzero) digits is 2250, while the sum is 25.
The square root of 30165055 is about 5492.2722984208. The cubic root of 30165055 is about 311.2920578855.
It can be divided in two parts, 301 and 65055, that added together give a palindrome (65356).
The spelling of 30165055 in words is "thirty million, one hundred sixty-five thousand, fifty-five".
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