Base | Representation |
---|---|
bin | 111001100101… |
… | …0010111010110 |
3 | 2002210202112122 |
4 | 1303022113112 |
5 | 30212022024 |
6 | 2555015542 |
7 | 514413422 |
oct | 163122726 |
9 | 62722478 |
10 | 30189014 |
11 | 1604a4a9 |
12 | a13a5b2 |
13 | 634002b |
14 | 401bb82 |
15 | 29b4d5e |
hex | 1cca5d6 |
30189014 has 8 divisors (see below), whose sum is σ = 45313320. Its totient is φ = 15084576.
The previous prime is 30189013. The next prime is 30189017. The reversal of 30189014 is 41098103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×301890142 = 1822753132584392, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30189013) 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, 284 + ... + 7775.
It is an arithmetic number, because the mean of its divisors is an integer number (5664165).
Almost surely, 230189014 is an apocalyptic number.
30189014 is a deficient number, since it is larger than the sum of its proper divisors (15124306).
30189014 is a wasteful number, since it uses less digits than its factorization.
30189014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9934.
The product of its (nonzero) digits is 864, while the sum is 26.
The square root of 30189014 is about 5494.4530210022. The cubic root of 30189014 is about 311.3744520408.
The spelling of 30189014 in words is "thirty million, one hundred eighty-nine thousand, fourteen".
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