Base | Representation |
---|---|
bin | 111001100101… |
… | …0011111101100 |
3 | 2002210210021102 |
4 | 1303022133230 |
5 | 30212031143 |
6 | 2555022232 |
7 | 514415114 |
oct | 163123754 |
9 | 62723242 |
10 | 30189548 |
11 | 1604a944 |
12 | a13a978 |
13 | 634034c |
14 | 401c044 |
15 | 29b50b8 |
hex | 1cca7ec |
30189548 has 12 divisors (see below), whose sum is σ = 53014080. Its totient is φ = 15042672.
The previous prime is 30189529. The next prime is 30189559. The reversal of 30189548 is 84598103.
It is a super-2 number, since 2×301895482 = 1822817616888608, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11708 + ... + 14051.
It is an arithmetic number, because the mean of its divisors is an integer number (4417840).
Almost surely, 230189548 is an apocalyptic number.
It is an amenable number.
30189548 is a deficient number, since it is larger than the sum of its proper divisors (22824532).
30189548 is a wasteful number, since it uses less digits than its factorization.
30189548 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26056 (or 26054 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 38.
The square root of 30189548 is about 5494.5016152514. The cubic root of 30189548 is about 311.3762879513.
The spelling of 30189548 in words is "thirty million, one hundred eighty-nine thousand, five hundred forty-eight".
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