Base | Representation |
---|---|
bin | 111001110010… |
… | …1111100101111 |
3 | 2010000111112021 |
4 | 1303211330233 |
5 | 30224130444 |
6 | 3001251011 |
7 | 515364010 |
oct | 163457457 |
9 | 63014467 |
10 | 30301999 |
11 | 16117382 |
12 | a193a67 |
13 | 637c5a0 |
14 | 404b007 |
15 | 29d8584 |
hex | 1ce5f2f |
30301999 has 8 divisors (see below), whose sum is σ = 37294880. Its totient is φ = 23975136.
The previous prime is 30301969. The next prime is 30302009. The reversal of 30301999 is 99910303.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30301999 - 217 = 30170927 is a prime.
It is a super-2 number, since 2×303019992 = 1836422286792002, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30301969) 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 7 ways as a sum of consecutive naturals, for example, 166404 + ... + 166585.
It is an arithmetic number, because the mean of its divisors is an integer number (4661860).
Almost surely, 230301999 is an apocalyptic number.
30301999 is a deficient number, since it is larger than the sum of its proper divisors (6992881).
30301999 is a wasteful number, since it uses less digits than its factorization.
30301999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 333009.
The product of its (nonzero) digits is 6561, while the sum is 34.
The square root of 30301999 is about 5504.7251520853. The cubic root of 30301999 is about 311.7624170648.
The spelling of 30301999 in words is "thirty million, three hundred one thousand, nine hundred ninety-nine".
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