Base | Representation |
---|---|
bin | 111010101000… |
… | …0011100010011 |
3 | 2010211122212200 |
4 | 1311100130103 |
5 | 30332110240 |
6 | 3014454243 |
7 | 522161505 |
oct | 165203423 |
9 | 63748780 |
10 | 30738195 |
11 | 16395074 |
12 | a364383 |
13 | 64a2ca7 |
14 | 4121d75 |
15 | 2a72930 |
hex | 1d50713 |
30738195 has 12 divisors (see below), whose sum is σ = 53279616. Its totient is φ = 16393680.
The previous prime is 30738179. The next prime is 30738199. The reversal of 30738195 is 59183703.
It is not a de Polignac number, because 30738195 - 24 = 30738179 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (30738199) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341491 + ... + 341580.
It is an arithmetic number, because the mean of its divisors is an integer number (4439968).
Almost surely, 230738195 is an apocalyptic number.
30738195 is a deficient number, since it is larger than the sum of its proper divisors (22541421).
30738195 is a wasteful number, since it uses less digits than its factorization.
30738195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 683082 (or 683079 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 36.
The square root of 30738195 is about 5544.2037300229. The cubic root of 30738195 is about 313.2512315698.
The spelling of 30738195 in words is "thirty million, seven hundred thirty-eight thousand, one hundred ninety-five".
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