Base | Representation |
---|---|
bin | 111010101100… |
… | …1001110111101 |
3 | 2010220111021101 |
4 | 1311121032331 |
5 | 30334233310 |
6 | 3015333101 |
7 | 522401500 |
oct | 165311675 |
9 | 63814241 |
10 | 30774205 |
11 | 1640a130 |
12 | a381191 |
13 | 64b64b7 |
14 | 4131137 |
15 | 2a7d43a |
hex | 1d593bd |
30774205 has 48 divisors (see below), whose sum is σ = 49412160. Its totient is φ = 18144000.
The previous prime is 30774203. The next prime is 30774209. The reversal of 30774205 is 50247703.
It is not a de Polignac number, because 30774205 - 21 = 30774203 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30774203) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50905 + ... + 51505.
It is an arithmetic number, because the mean of its divisors is an integer number (1029420).
Almost surely, 230774205 is an apocalyptic number.
30774205 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30774205 is a deficient number, since it is larger than the sum of its proper divisors (18637955).
30774205 is a wasteful number, since it uses less digits than its factorization.
30774205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 650 (or 643 counting only the distinct ones).
The product of its (nonzero) digits is 5880, while the sum is 28.
The square root of 30774205 is about 5547.4503152349. The cubic root of 30774205 is about 313.3735091334.
The spelling of 30774205 in words is "thirty million, seven hundred seventy-four thousand, two hundred five".
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