Base | Representation |
---|---|
bin | 111001001110… |
… | …0101110000011 |
3 | 2002110021002002 |
4 | 1302130232003 |
5 | 30140031201 |
6 | 2551014215 |
7 | 513004352 |
oct | 162345603 |
9 | 62407062 |
10 | 30002051 |
11 | 15a31a92 |
12 | a06a36b |
13 | 62a5bc1 |
14 | 3dad999 |
15 | 297976b |
hex | 1c9cb83 |
30002051 has 16 divisors (see below), whose sum is σ = 32223744. Its totient is φ = 27872064.
The previous prime is 30002047. The next prime is 30002069. The reversal of 30002051 is 15020003.
It is a cyclic number.
It is not a de Polignac number, because 30002051 - 22 = 30002047 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30002351) 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 15 ways as a sum of consecutive naturals, for example, 179570 + ... + 179736.
It is an arithmetic number, because the mean of its divisors is an integer number (2013984).
Almost surely, 230002051 is an apocalyptic number.
30002051 is a deficient number, since it is larger than the sum of its proper divisors (2221693).
30002051 is a wasteful number, since it uses less digits than its factorization.
30002051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 370.
The product of its (nonzero) digits is 30, while the sum is 11.
The square root of 30002051 is about 5477.4128016793. The cubic root of 30002051 is about 310.7303314717.
Adding to 30002051 its reverse (15020003), we get a palindrome (45022054).
The spelling of 30002051 in words is "thirty million, two thousand, fifty-one".
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