Base | Representation |
---|---|
bin | 111010100111… |
… | …1001001010100 |
3 | 2010211101120222 |
4 | 1311033021110 |
5 | 30331423014 |
6 | 3014413512 |
7 | 522140150 |
oct | 165171124 |
9 | 63741528 |
10 | 30732884 |
11 | 16391086 |
12 | a361298 |
13 | 64a0750 |
14 | 4120060 |
15 | 2a7108e |
hex | 1d4f254 |
30732884 has 24 divisors (see below), whose sum is σ = 66194688. Its totient is φ = 12157920.
The previous prime is 30732883. The next prime is 30732887. The reversal of 30732884 is 48823703.
It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30732881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41852 + ... + 42579.
It is an arithmetic number, because the mean of its divisors is an integer number (2758112).
Almost surely, 230732884 is an apocalyptic number.
It is an amenable number.
30732884 is an abundant number, since it is smaller than the sum of its proper divisors (35461804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30732884 is a wasteful number, since it uses less digits than its factorization.
30732884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84455 (or 84453 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 35.
The square root of 30732884 is about 5543.7247406414. The cubic root of 30732884 is about 313.2331891624.
The spelling of 30732884 in words is "thirty million, seven hundred thirty-two thousand, eight hundred eighty-four".
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