Base | Representation |
---|---|
bin | 111001101101… |
… | …0101110101001 |
3 | 2002221011111010 |
4 | 1303122232221 |
5 | 30221143131 |
6 | 3000254133 |
7 | 515113014 |
oct | 163325651 |
9 | 62834433 |
10 | 30256041 |
11 | 160958a2 |
12 | a171349 |
13 | 63646aa |
14 | 403837b |
15 | 29c9b46 |
hex | 1cdaba9 |
30256041 has 8 divisors (see below), whose sum is σ = 40399360. Its totient is φ = 20141712.
The previous prime is 30256027. The next prime is 30256043. The reversal of 30256041 is 14065203.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30256041 - 27 = 30255913 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30255999 and 30256017.
It is not an unprimeable number, because it can be changed into a prime (30256043) 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, 4681 + ... + 9078.
It is an arithmetic number, because the mean of its divisors is an integer number (5049920).
Almost surely, 230256041 is an apocalyptic number.
It is an amenable number.
30256041 is a deficient number, since it is larger than the sum of its proper divisors (10143319).
30256041 is a wasteful number, since it uses less digits than its factorization.
30256041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14495.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 30256041 is about 5500.5491544027. The cubic root of 30256041 is about 311.6047242027.
The spelling of 30256041 in words is "thirty million, two hundred fifty-six thousand, forty-one".
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