Base | Representation |
---|---|
bin | 111001010001… |
… | …0010101010001 |
3 | 2002111102121120 |
4 | 1302202111101 |
5 | 30141300131 |
6 | 2551312453 |
7 | 513131364 |
oct | 162422521 |
9 | 62442546 |
10 | 30025041 |
11 | 15a48292 |
12 | a07b729 |
13 | 62b34c7 |
14 | 3db80db |
15 | 2981496 |
hex | 1ca2551 |
30025041 has 8 divisors (see below), whose sum is σ = 40712160. Its totient is φ = 19677312.
The previous prime is 30025033. The next prime is 30025049. The reversal of 30025041 is 14052003.
It is an interprime number because it is at equal distance from previous prime (30025033) and next prime (30025049).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30025041 - 23 = 30025033 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30025041.
It is not an unprimeable number, because it can be changed into a prime (30025049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84640 + ... + 84993.
It is an arithmetic number, because the mean of its divisors is an integer number (5089020).
Almost surely, 230025041 is an apocalyptic number.
It is an amenable number.
30025041 is a deficient number, since it is larger than the sum of its proper divisors (10687119).
30025041 is a wasteful number, since it uses less digits than its factorization.
30025041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169695.
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 30025041 is about 5479.5110183300. The cubic root of 30025041 is about 310.8096801180.
Adding to 30025041 its reverse (14052003), we get a palindrome (44077044).
The spelling of 30025041 in words is "thirty million, twenty-five thousand, forty-one".
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