Base | Representation |
---|---|
bin | 111001111111… |
… | …0111001101000 |
3 | 2010012200201111 |
4 | 1303332321220 |
5 | 30240413300 |
6 | 3003400104 |
7 | 516300661 |
oct | 163767150 |
9 | 63180644 |
10 | 30404200 |
11 | 16187142 |
12 | a223034 |
13 | 63b6c68 |
14 | 4076368 |
15 | 2a089ba |
hex | 1cfee68 |
30404200 has 48 divisors (see below), whose sum is σ = 71072460. Its totient is φ = 12096000.
The previous prime is 30404189. The next prime is 30404201. The reversal of 30404200 is 240403.
It can be written as a sum of positive squares in 6 ways, for example, as 12068676 + 18335524 = 3474^2 + 4282^2 .
It is not an unprimeable number, because it can be changed into a prime (30404201) 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, 55930 + ... + 56470.
Almost surely, 230404200 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30404200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35536230).
30404200 is an abundant number, since it is smaller than the sum of its proper divisors (40668260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30404200 is a wasteful number, since it uses less digits than its factorization.
30404200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 838 (or 829 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 13.
The square root of 30404200 is about 5514.0003627131. Note that the first 3 decimals coincide. The cubic root of 30404200 is about 312.1125224208.
Adding to 30404200 its reverse (240403), we get a palindrome (30644603).
The spelling of 30404200 in words is "thirty million, four hundred four thousand, two hundred".
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