Base | Representation |
---|---|
bin | 111001101011… |
… | …1110110110000 |
3 | 2002220120100020 |
4 | 1303113312300 |
5 | 30220304042 |
6 | 3000123440 |
7 | 515033502 |
oct | 163276660 |
9 | 62816306 |
10 | 30244272 |
11 | 16087a73 |
12 | a166580 |
13 | 635c226 |
14 | 4033d72 |
15 | 29c63ec |
hex | 1cd7db0 |
30244272 has 40 divisors (see below), whose sum is σ = 78328320. Its totient is φ = 10056000.
The previous prime is 30244267. The next prime is 30244273. The reversal of 30244272 is 27244203.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (30244273) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35629 + ... + 36467.
It is an arithmetic number, because the mean of its divisors is an integer number (1958208).
Almost surely, 230244272 is an apocalyptic number.
It is an amenable number.
30244272 is an abundant number, since it is smaller than the sum of its proper divisors (48084048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30244272 is a wasteful number, since it uses less digits than its factorization.
30244272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1601 (or 1595 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 24.
The square root of 30244272 is about 5499.4792480743. The cubic root of 30244272 is about 311.5643162766.
Adding to 30244272 its reverse (27244203), we get a palindrome (57488475).
The spelling of 30244272 in words is "thirty million, two hundred forty-four thousand, two hundred seventy-two".
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