Base | Representation |
---|---|
bin | 111001011101… |
… | …1110010101111 |
3 | 2002200201200000 |
4 | 1302323302233 |
5 | 30203114302 |
6 | 2553435343 |
7 | 514044414 |
oct | 162736257 |
9 | 62621600 |
10 | 30129327 |
11 | 16009678 |
12 | a10bb53 |
13 | 631bb07 |
14 | 400410b |
15 | 29a231c |
hex | 1cbbcaf |
30129327 has 12 divisors (see below), whose sum is σ = 45132360. Its totient is φ = 20086056.
The previous prime is 30129317. The next prime is 30129343. The reversal of 30129327 is 72392103.
It is not a de Polignac number, because 30129327 - 24 = 30129311 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 30129327.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30129317) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61752 + ... + 62237.
It is an arithmetic number, because the mean of its divisors is an integer number (3761030).
Almost surely, 230129327 is an apocalyptic number.
30129327 is a deficient number, since it is larger than the sum of its proper divisors (15003033).
30129327 is an equidigital number, since it uses as much as digits as its factorization.
30129327 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124004 (or 123992 counting only the distinct ones).
The product of its (nonzero) digits is 2268, while the sum is 27.
The square root of 30129327 is about 5489.0187647703. The cubic root of 30129327 is about 311.1691094771.
The spelling of 30129327 in words is "thirty million, one hundred twenty-nine thousand, three hundred twenty-seven".
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