Base | Representation |
---|---|
bin | 111001010001… |
… | …1100101000110 |
3 | 2002111200121210 |
4 | 1302203211012 |
5 | 30141431100 |
6 | 2551352250 |
7 | 513152313 |
oct | 162434506 |
9 | 62450553 |
10 | 30030150 |
11 | 15a51107 |
12 | a082686 |
13 | 62b5927 |
14 | 3db9d0a |
15 | 2982c50 |
hex | 1ca3946 |
30030150 has 24 divisors (see below), whose sum is σ = 74475144. Its totient is φ = 8008000.
The previous prime is 30030131. The next prime is 30030151. The reversal of 30030150 is 5103003.
Added to its reverse (5103003) it gives a triangular number (35133153 = T8382).
It is a happy number.
It is a super-4 number, since 4×300301504 (a number of 31 digits) contains 4444 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30030151) 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, 99951 + ... + 100250.
It is an arithmetic number, because the mean of its divisors is an integer number (3103131).
Almost surely, 230030150 is an apocalyptic number.
30030150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30030150 is an abundant number, since it is smaller than the sum of its proper divisors (44444994).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30030150 is a wasteful number, since it uses less digits than its factorization.
30030150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 200216 (or 200211 counting only the distinct ones).
The product of its (nonzero) digits is 45, while the sum is 12.
The square root of 30030150 is about 5479.9771897335. The cubic root of 30030150 is about 310.8273080329.
Adding to 30030150 its reverse (5103003), we get a palindrome (35133153).
The spelling of 30030150 in words is "thirty million, thirty thousand, one hundred fifty".
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