Base | Representation |
---|---|
bin | 111001101010… |
… | …1011000100101 |
3 | 2002220001110022 |
4 | 1303111120211 |
5 | 30214443044 |
6 | 3000004525 |
7 | 514662131 |
oct | 163253045 |
9 | 62801408 |
10 | 30234149 |
11 | 16080400 |
12 | a160745 |
13 | 635773a |
14 | 40303c1 |
15 | 29c33ee |
hex | 1cd5625 |
30234149 has 12 divisors (see below), whose sum is σ = 34984320. Its totient is φ = 26037000.
The previous prime is 30234133. The next prime is 30234157. The reversal of 30234149 is 94143203.
It is not a de Polignac number, because 30234149 - 24 = 30234133 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30234649) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4277 + ... + 8874.
It is an arithmetic number, because the mean of its divisors is an integer number (2915360).
Almost surely, 230234149 is an apocalyptic number.
It is an amenable number.
30234149 is a deficient number, since it is larger than the sum of its proper divisors (4750171).
30234149 is a wasteful number, since it uses less digits than its factorization.
30234149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13192 (or 13181 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 26.
The square root of 30234149 is about 5498.5588111795. The cubic root of 30234149 is about 311.5295513739.
The spelling of 30234149 in words is "thirty million, two hundred thirty-four thousand, one hundred forty-nine".
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