Base | Representation |
---|---|
bin | 111001110111… |
… | …0010101111100 |
3 | 2010002020200122 |
4 | 1303232111330 |
5 | 30231231010 |
6 | 3002114112 |
7 | 515566154 |
oct | 163562574 |
9 | 63066618 |
10 | 30336380 |
11 | 16140198 |
12 | a1ab938 |
13 | 6392129 |
14 | 4059764 |
15 | 29e3855 |
hex | 1cee57c |
30336380 has 12 divisors (see below), whose sum is σ = 63706440. Its totient is φ = 12134544.
The previous prime is 30336377. The next prime is 30336389. The reversal of 30336380 is 8363303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30336389) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758390 + ... + 758429.
It is an arithmetic number, because the mean of its divisors is an integer number (5308870).
Almost surely, 230336380 is an apocalyptic number.
It is an amenable number.
30336380 is an abundant number, since it is smaller than the sum of its proper divisors (33370060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30336380 is a wasteful number, since it uses less digits than its factorization.
30336380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1516828 (or 1516826 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 26.
The square root of 30336380 is about 5507.8471293238. The cubic root of 30336380 is about 311.8802822521.
Adding to 30336380 its reverse (8363303), we get a palindrome (38699683).
The spelling of 30336380 in words is "thirty million, three hundred thirty-six thousand, three hundred eighty".
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