Base | Representation |
---|---|
bin | 111001010001… |
… | …1101001011100 |
3 | 2002111201000002 |
4 | 1302203221130 |
5 | 30141433203 |
6 | 2551353432 |
7 | 513153161 |
oct | 162435134 |
9 | 62451002 |
10 | 30030428 |
11 | 15a5133a |
12 | a082878 |
13 | 62b5aac |
14 | 3dba068 |
15 | 2982d88 |
hex | 1ca3a5c |
30030428 has 36 divisors (see below), whose sum is σ = 55604640. Its totient is φ = 14187264.
The previous prime is 30030419. The next prime is 30030437. The reversal of 30030428 is 82403003.
It is an interprime number because it is at equal distance from previous prime (30030419) and next prime (30030437).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265700 + ... + 265812.
Almost surely, 230030428 is an apocalyptic number.
It is an amenable number.
30030428 is a deficient number, since it is larger than the sum of its proper divisors (25574212).
30030428 is a wasteful number, since it uses less digits than its factorization.
30030428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 254 (or 223 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 30030428 is about 5480.0025547439. The cubic root of 30030428 is about 310.8282671770.
The spelling of 30030428 in words is "thirty million, thirty thousand, four hundred twenty-eight".
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