Base | Representation |
---|---|
bin | 111001110110… |
… | …0010010110000 |
3 | 2010001211011200 |
4 | 1303230102300 |
5 | 30230443414 |
6 | 3002011200 |
7 | 515532531 |
oct | 163542260 |
9 | 63054150 |
10 | 30327984 |
11 | 16134955 |
12 | a1a6b00 |
13 | 638b36b |
14 | 4056688 |
15 | 29e1109 |
hex | 1cec4b0 |
30327984 has 60 divisors (see below), whose sum is σ = 88576176. Its totient is φ = 9668736.
The previous prime is 30327967. The next prime is 30327989. The reversal of 30327984 is 48972303.
30327984 is a `hidden beast` number, since 303 + 279 + 84 = 666.
It is a super-2 number, since 2×303279842 = 1839573227008512, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30327989) 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, 1267 + ... + 7890.
Almost surely, 230327984 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 30327984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44288088).
30327984 is an abundant number, since it is smaller than the sum of its proper divisors (58248192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30327984 is a wasteful number, since it uses less digits than its factorization.
30327984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9194 (or 9185 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The square root of 30327984 is about 5507.0848913014. The cubic root of 30327984 is about 311.8515072471.
The spelling of 30327984 in words is "thirty million, three hundred twenty-seven thousand, nine hundred eighty-four".
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