Base | Representation |
---|---|
bin | 111001010001… |
… | …1101011010110 |
3 | 2002111201011121 |
4 | 1302203223112 |
5 | 30141434200 |
6 | 2551354154 |
7 | 513153424 |
oct | 162435326 |
9 | 62451147 |
10 | 30030550 |
11 | 15a51440 |
12 | a08295a |
13 | 62b5b74 |
14 | 3dba114 |
15 | 2982e1a |
hex | 1ca3ad6 |
30030550 has 24 divisors (see below), whose sum is σ = 60935832. Its totient is φ = 10920000.
The previous prime is 30030523. The next prime is 30030557. The reversal of 30030550 is 5503003.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30030557) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26751 + ... + 27850.
It is an arithmetic number, because the mean of its divisors is an integer number (2538993).
Almost surely, 230030550 is an apocalyptic number.
30030550 is an abundant number, since it is smaller than the sum of its proper divisors (30905282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30030550 is a wasteful number, since it uses less digits than its factorization.
30030550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54624 (or 54619 counting only the distinct ones).
The product of its (nonzero) digits is 225, while the sum is 16.
The square root of 30030550 is about 5480.0136861143. The cubic root of 30030550 is about 310.8286880945.
Adding to 30030550 its reverse (5503003), we get a palindrome (35533553).
The spelling of 30030550 in words is "thirty million, thirty thousand, five hundred fifty".
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