Base | Representation |
---|---|
bin | 111010100100… |
… | …0001001101001 |
3 | 2010202221021211 |
4 | 1311020021221 |
5 | 30330013413 |
6 | 3014033121 |
7 | 521660500 |
oct | 165101151 |
9 | 63687254 |
10 | 30704233 |
11 | 163715aa |
12 | a3487a1 |
13 | 64906b1 |
14 | 4113837 |
15 | 2a6783d |
hex | 1d48269 |
30704233 has 6 divisors (see below), whose sum is σ = 35717226. Its totient is φ = 26317872.
The previous prime is 30704231. The next prime is 30704237. The reversal of 30704233 is 33240703.
It can be written as a sum of positive squares in only one way, i.e., 30503529 + 200704 = 5523^2 + 448^2 .
It is not a de Polignac number, because 30704233 - 21 = 30704231 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30704231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313260 + ... + 313357.
It is an arithmetic number, because the mean of its divisors is an integer number (5952871).
Almost surely, 230704233 is an apocalyptic number.
It is an amenable number.
30704233 is a deficient number, since it is larger than the sum of its proper divisors (5012993).
30704233 is an equidigital number, since it uses as much as digits as its factorization.
30704233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 626631 (or 626624 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 22.
The square root of 30704233 is about 5541.1400451532. The cubic root of 30704233 is about 313.1358207715.
Adding to 30704233 its reverse (33240703), we get a palindrome (63944936).
The spelling of 30704233 in words is "thirty million, seven hundred four thousand, two hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •