Base | Representation |
---|---|
bin | 111001101100… |
… | …1110011010001 |
3 | 2002220222021101 |
4 | 1303121303101 |
5 | 30221032431 |
6 | 3000224401 |
7 | 515065645 |
oct | 163316321 |
9 | 62828241 |
10 | 30252241 |
11 | 16092a58 |
12 | a16b101 |
13 | 6362a46 |
14 | 4036c25 |
15 | 29c8961 |
hex | 1cd9cd1 |
30252241 has 8 divisors (see below), whose sum is σ = 30956904. Its totient is φ = 29552640.
The previous prime is 30252239. The next prime is 30252251. The reversal of 30252241 is 14225203.
It can be written as a sum of positive squares in 4 ways, for example, as 19395216 + 10857025 = 4404^2 + 3295^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30252241 - 21 = 30252239 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30252251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12511 + ... + 14731.
It is an arithmetic number, because the mean of its divisors is an integer number (3869613).
Almost surely, 230252241 is an apocalyptic number.
It is an amenable number.
30252241 is a deficient number, since it is larger than the sum of its proper divisors (704663).
30252241 is a wasteful number, since it uses less digits than its factorization.
30252241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2531.
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 30252241 is about 5500.2037234997. The cubic root of 30252241 is about 311.5916783503.
Adding to 30252241 its reverse (14225203), we get a palindrome (44477444).
The spelling of 30252241 in words is "thirty million, two hundred fifty-two thousand, two hundred forty-one".
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