Base | Representation |
---|---|
bin | 111001011011… |
… | …1101000101100 |
3 | 2002122212022101 |
4 | 1302313220230 |
5 | 30202043200 |
6 | 2553224444 |
7 | 513643651 |
oct | 162675054 |
9 | 62585271 |
10 | 30112300 |
11 | 15aa78a9 |
12 | a102124 |
13 | 631413a |
14 | 3ddbc28 |
15 | 299c26a |
hex | 1cb7a2c |
30112300 has 18 divisors (see below), whose sum is σ = 65343908. Its totient is φ = 12044880.
The previous prime is 30112297. The next prime is 30112309. The reversal of 30112300 is 321103.
It is a super-2 number, since 2×301123002 = 1813501222580000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (30112309) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150462 + ... + 150661.
Almost surely, 230112300 is an apocalyptic number.
It is an amenable number.
30112300 is an abundant number, since it is smaller than the sum of its proper divisors (35231608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30112300 is a wasteful number, since it uses less digits than its factorization.
30112300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 301137 (or 301130 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 30112300 is about 5487.4675397673. The cubic root of 30112300 is about 311.1104813857.
Adding to 30112300 its reverse (321103), we get a palindrome (30433403).
The spelling of 30112300 in words is "thirty million, one hundred twelve thousand, three hundred".
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