Base | Representation |
---|---|
bin | 111001011101… |
… | …0000100000001 |
3 | 2002200100221120 |
4 | 1302322010001 |
5 | 30202402431 |
6 | 2553342453 |
7 | 514014642 |
oct | 162720401 |
9 | 62610846 |
10 | 30122241 |
11 | 16004316 |
12 | a107a29 |
13 | 6318816 |
14 | 40016c9 |
15 | 29a0196 |
hex | 1cba101 |
30122241 has 16 divisors (see below), whose sum is σ = 40802304. Its totient is φ = 19764864.
The previous prime is 30122221. The next prime is 30122243. The reversal of 30122241 is 14222103.
It is not a de Polignac number, because 30122241 - 218 = 29860097 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30122241.
It is not an unprimeable number, because it can be changed into a prime (30122243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65685 + ... + 66141.
It is an arithmetic number, because the mean of its divisors is an integer number (2550144).
Almost surely, 230122241 is an apocalyptic number.
It is an amenable number.
30122241 is a deficient number, since it is larger than the sum of its proper divisors (10680063).
30122241 is a wasteful number, since it uses less digits than its factorization.
30122241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 760.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 30122241 is about 5488.3732562573. The cubic root of 30122241 is about 311.1447133443.
Adding to 30122241 its reverse (14222103), we get a palindrome (44344344).
It can be divided in two parts, 3012 and 2241, that added together give a triangular number (5253 = T102).
The spelling of 30122241 in words is "thirty million, one hundred twenty-two thousand, two hundred forty-one".
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