Base | Representation |
---|---|
bin | 111001011101… |
… | …0000011111010 |
3 | 2002200100221022 |
4 | 1302322003322 |
5 | 30202402414 |
6 | 2553342442 |
7 | 514014632 |
oct | 162720372 |
9 | 62610838 |
10 | 30122234 |
11 | 1600430a |
12 | a107a22 |
13 | 631880c |
14 | 40016c2 |
15 | 29a018e |
hex | 1cba0fa |
30122234 has 4 divisors (see below), whose sum is σ = 45183354. Its totient is φ = 15061116.
The previous prime is 30122221. The next prime is 30122243. The reversal of 30122234 is 43222103.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43222103 = 2213 ⋅19531.
It can be written as a sum of positive squares in only one way, i.e., 29214025 + 908209 = 5405^2 + 953^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7530557 + ... + 7530560.
Almost surely, 230122234 is an apocalyptic number.
30122234 is a deficient number, since it is larger than the sum of its proper divisors (15061120).
30122234 is a wasteful number, since it uses less digits than its factorization.
30122234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15061119.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 30122234 is about 5488.3726185455. The cubic root of 30122234 is about 311.1446892424.
Adding to 30122234 its reverse (43222103), we get a palindrome (73344337).
The spelling of 30122234 in words is "thirty million, one hundred twenty-two thousand, two hundred thirty-four".
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