Base | Representation |
---|---|
bin | 111001010001… |
… | …1110010010111 |
3 | 2002111201210020 |
4 | 1302203302113 |
5 | 30141442444 |
6 | 2551400223 |
7 | 513154635 |
oct | 162436227 |
9 | 62451706 |
10 | 30030999 |
11 | 15a51809 |
12 | a083073 |
13 | 62b612b |
14 | 3dba355 |
15 | 2983119 |
hex | 1ca3c97 |
30030999 has 4 divisors (see below), whose sum is σ = 40041336. Its totient is φ = 20020664.
The previous prime is 30030991. The next prime is 30031021. The reversal of 30030999 is 99903003.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30030999 - 23 = 30030991 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30030991) 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, 5005164 + ... + 5005169.
It is an arithmetic number, because the mean of its divisors is an integer number (10010334).
Almost surely, 230030999 is an apocalyptic number.
30030999 is a deficient number, since it is larger than the sum of its proper divisors (10010337).
30030999 is a wasteful number, since it uses less digits than its factorization.
30030999 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10010336.
The product of its (nonzero) digits is 6561, while the sum is 33.
The square root of 30030999 is about 5480.0546530121. The cubic root of 30030999 is about 310.8302371990.
The spelling of 30030999 in words is "thirty million, thirty thousand, nine hundred ninety-nine".
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