Base | Representation |
---|---|
bin | 111001111101… |
… | …0011010110110 |
3 | 2010011202112201 |
4 | 1303322122312 |
5 | 30234321341 |
6 | 3003135114 |
7 | 516163321 |
oct | 163723266 |
9 | 63152481 |
10 | 30385846 |
11 | 16174377 |
12 | a21449a |
13 | 63ab7ba |
14 | 406d7b8 |
15 | 2a03331 |
hex | 1cfa6b6 |
30385846 has 8 divisors (see below), whose sum is σ = 46091160. Its totient is φ = 15022128.
The previous prime is 30385841. The next prime is 30385847. The reversal of 30385846 is 64858303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30385841) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85176 + ... + 85531.
It is an arithmetic number, because the mean of its divisors is an integer number (5761395).
Almost surely, 230385846 is an apocalyptic number.
30385846 is a deficient number, since it is larger than the sum of its proper divisors (15705314).
30385846 is a wasteful number, since it uses less digits than its factorization.
30385846 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 170798.
The product of its (nonzero) digits is 69120, while the sum is 37.
The square root of 30385846 is about 5512.3358025432. The cubic root of 30385846 is about 312.0497058108.
The spelling of 30385846 in words is "thirty million, three hundred eighty-five thousand, eight hundred forty-six".
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