Base | Representation |
---|---|
bin | 111001111000… |
… | …0100000111010 |
3 | 2010002200220001 |
4 | 1303300200322 |
5 | 30232022044 |
6 | 3002223214 |
7 | 515634121 |
oct | 163604072 |
9 | 63080801 |
10 | 30345274 |
11 | 16146943 |
12 | a1b4b0a |
13 | 63961ab |
14 | 405cab8 |
15 | 29e62d4 |
hex | 1cf083a |
30345274 has 16 divisors (see below), whose sum is σ = 46112616. Its totient is φ = 14976000.
The previous prime is 30345269. The next prime is 30345313. The reversal of 30345274 is 47254303.
It can be written as a sum of positive squares in 4 ways, for example, as 30327049 + 18225 = 5507^2 + 135^2 .
It is an alternating number because its digits alternate between odd and even.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75474 + ... + 75874.
Almost surely, 230345274 is an apocalyptic number.
30345274 is a deficient number, since it is larger than the sum of its proper divisors (15767342).
30345274 is a wasteful number, since it uses less digits than its factorization.
30345274 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 801.
The product of its (nonzero) digits is 10080, while the sum is 28.
The square root of 30345274 is about 5508.6544636599. The cubic root of 30345274 is about 311.9107582262.
Adding to 30345274 its reverse (47254303), we get a palindrome (77599577).
The spelling of 30345274 in words is "thirty million, three hundred forty-five thousand, two hundred seventy-four".
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