Base | Representation |
---|---|
bin | 111001010100… |
… | …1101001011010 |
3 | 2002112221201020 |
4 | 1302221221122 |
5 | 30143230002 |
6 | 2552103310 |
7 | 513314625 |
oct | 162515132 |
9 | 62487636 |
10 | 30055002 |
11 | 15a6884a |
12 | a094b36 |
13 | 62c4033 |
14 | 3dc4dbc |
15 | 298a2bc |
hex | 1ca9a5a |
30055002 has 8 divisors (see below), whose sum is σ = 60110016. Its totient is φ = 10018332.
The previous prime is 30055001. The next prime is 30055021. The reversal of 30055002 is 20055003.
It is a sphenic number, since it is the product of 3 distinct primes.
30055002 is an admirable number.
It is a super-3 number, since 3×300550023 (a number of 23 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (30055001) 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, 2504578 + ... + 2504589.
It is an arithmetic number, because the mean of its divisors is an integer number (7513752).
Almost surely, 230055002 is an apocalyptic number.
30055002 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.
30055002 is a wasteful number, since it uses less digits than its factorization.
30055002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5009172.
The product of its (nonzero) digits is 150, while the sum is 15.
The square root of 30055002 is about 5482.2442484807. The cubic root of 30055002 is about 310.9130279992.
Subtracting from 30055002 its reverse (20055003), we obtain a palindrome (9999999).
The spelling of 30055002 in words is "thirty million, fifty-five thousand, two".
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