Base | Representation |
---|---|
bin | 111010101010… |
… | …1110101110001 |
3 | 2010212210012120 |
4 | 1311111311301 |
5 | 30333312210 |
6 | 3015144453 |
7 | 522313122 |
oct | 165256561 |
9 | 63783176 |
10 | 30760305 |
11 | 163aa744 |
12 | a375129 |
13 | 64b0084 |
14 | 412a049 |
15 | 2a79270 |
hex | 1d55d71 |
30760305 has 16 divisors (see below), whose sum is σ = 49550400. Its totient is φ = 16294208.
The previous prime is 30760267. The next prime is 30760307. The reversal of 30760305 is 50306703.
It is a cyclic number.
It is not a de Polignac number, because 30760305 - 29 = 30759793 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30760307) 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, 4647 + ... + 9116.
It is an arithmetic number, because the mean of its divisors is an integer number (3096900).
Almost surely, 230760305 is an apocalyptic number.
It is an amenable number.
30760305 is a deficient number, since it is larger than the sum of its proper divisors (18790095).
30760305 is a wasteful number, since it uses less digits than its factorization.
30760305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13920.
The product of its (nonzero) digits is 1890, while the sum is 24.
The square root of 30760305 is about 5546.1973459299. The cubic root of 30760305 is about 313.3263208279.
The spelling of 30760305 in words is "thirty million, seven hundred sixty thousand, three hundred five".
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