Base | Representation |
---|---|
bin | 111001101011… |
… | …1000111011000 |
3 | 2002220102011221 |
4 | 1303113013120 |
5 | 30220204430 |
6 | 3000101424 |
7 | 515021611 |
oct | 163270730 |
9 | 62812157 |
10 | 30241240 |
11 | 16085767 |
12 | a164874 |
13 | 635aa33 |
14 | 4032c08 |
15 | 29c557a |
hex | 1cd71d8 |
30241240 has 32 divisors (see below), whose sum is σ = 68590080. Its totient is φ = 11999232.
The previous prime is 30241207. The next prime is 30241259. The reversal of 30241240 is 4214203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2104 + ... + 8056.
It is an arithmetic number, because the mean of its divisors is an integer number (2143440).
Almost surely, 230241240 is an apocalyptic number.
It is an amenable number.
30241240 is an abundant number, since it is smaller than the sum of its proper divisors (38348840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30241240 is a wasteful number, since it uses less digits than its factorization.
30241240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6091 (or 6087 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 30241240 is about 5499.2035787012. The cubic root of 30241240 is about 311.5539044475.
Adding to 30241240 its reverse (4214203), we get a palindrome (34455443).
The spelling of 30241240 in words is "thirty million, two hundred forty-one thousand, two hundred forty".
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