Base | Representation |
---|---|
bin | 111001101011… |
… | …0111000001001 |
3 | 2002220100211211 |
4 | 1303112320021 |
5 | 30220142030 |
6 | 3000053121 |
7 | 515016016 |
oct | 163267011 |
9 | 62810754 |
10 | 30240265 |
11 | 16084a60 |
12 | a1641a1 |
13 | 635a463 |
14 | 403270d |
15 | 29c512a |
hex | 1cd6e09 |
30240265 has 16 divisors (see below), whose sum is σ = 39703680. Its totient is φ = 21928320.
The previous prime is 30240257. The next prime is 30240271. The reversal of 30240265 is 56204203.
It is a happy number.
It is not a de Polignac number, because 30240265 - 23 = 30240257 is a prime.
It is an unprimeable number.
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, 26221 + ... + 27349.
It is an arithmetic number, because the mean of its divisors is an integer number (2481480).
Almost surely, 230240265 is an apocalyptic number.
It is an amenable number.
30240265 is a deficient number, since it is larger than the sum of its proper divisors (9463415).
30240265 is a wasteful number, since it uses less digits than its factorization.
30240265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1632.
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 30240265 is about 5499.1149287863. The cubic root of 30240265 is about 311.5505561686.
Adding to 30240265 its reverse (56204203), we get a palindrome (86444468).
The spelling of 30240265 in words is "thirty million, two hundred forty thousand, two hundred sixty-five".
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