Base | Representation |
---|---|
bin | 111001001111… |
… | …0101101110110 |
3 | 2002110200022000 |
4 | 1302132231312 |
5 | 30140311410 |
6 | 2551120130 |
7 | 513040245 |
oct | 162365566 |
9 | 62420260 |
10 | 30010230 |
11 | 15a38148 |
12 | a073046 |
13 | 62a9843 |
14 | 3db295c |
15 | 297bdc0 |
hex | 1c9eb76 |
30010230 has 32 divisors (see below), whose sum is σ = 80028000. Its totient is φ = 8002656.
The previous prime is 30010229. The next prime is 30010241. The reversal of 30010230 is 3201003.
It is a happy number.
It is a super-2 number, since 2×300102302 = 1801227809305800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55305 + ... + 55844.
It is an arithmetic number, because the mean of its divisors is an integer number (2500875).
Almost surely, 230010230 is an apocalyptic number.
30010230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30010230 is an abundant number, since it is smaller than the sum of its proper divisors (50017770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30010230 is a wasteful number, since it uses less digits than its factorization.
30010230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111165 (or 111159 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 9.
The square root of 30010230 is about 5478.1593624136. The cubic root of 30010230 is about 310.7585654577.
Adding to 30010230 its reverse (3201003), we get a palindrome (33211233).
The spelling of 30010230 in words is "thirty million, ten thousand, two hundred thirty".
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