Base | Representation |
---|---|
bin | 111010100111… |
… | …0100010111110 |
3 | 2010211021020002 |
4 | 1311032202332 |
5 | 30331333210 |
6 | 3014354302 |
7 | 522130043 |
oct | 165164276 |
9 | 63737202 |
10 | 30730430 |
11 | 1638a255 |
12 | a35b992 |
13 | 649c5b3 |
14 | 411d1ca |
15 | 2a704a5 |
hex | 1d4e8be |
30730430 has 16 divisors (see below), whose sum is σ = 57222720. Its totient is φ = 11868192.
The previous prime is 30730417. The next prime is 30730451. The reversal of 30730430 is 3403703.
It is a congruent number.
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, 52694 + ... + 53273.
It is an arithmetic number, because the mean of its divisors is an integer number (3576420).
Almost surely, 230730430 is an apocalyptic number.
30730430 is a deficient number, since it is larger than the sum of its proper divisors (26492290).
30730430 is a wasteful number, since it uses less digits than its factorization.
30730430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106003.
The product of its (nonzero) digits is 756, while the sum is 20.
The square root of 30730430 is about 5543.5034048876. The cubic root of 30730430 is about 313.2248517877.
The spelling of 30730430 in words is "thirty million, seven hundred thirty thousand, four hundred thirty".
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