Base | Representation |
---|---|
bin | 111001101111… |
… | …0100101010000 |
3 | 2002221222010200 |
4 | 1303132211100 |
5 | 30222144244 |
6 | 3000455200 |
7 | 515210022 |
oct | 163364520 |
9 | 62858120 |
10 | 30271824 |
11 | 160a6740 |
12 | a17a500 |
13 | 636b92b |
14 | 4040012 |
15 | 29ce669 |
hex | 1cde950 |
30271824 has 120 divisors (see below), whose sum is σ = 95752800. Its totient is φ = 8843520.
The previous prime is 30271823. The next prime is 30271831. The reversal of 30271824 is 42817203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30271823) 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 23 ways as a sum of consecutive naturals, for example, 45607 + ... + 46265.
It is an arithmetic number, because the mean of its divisors is an integer number (797940).
Almost surely, 230271824 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 30271824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47876400).
30271824 is an abundant number, since it is smaller than the sum of its proper divisors (65480976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30271824 is a wasteful number, since it uses less digits than its factorization.
30271824 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 713 (or 704 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 30271824 is about 5501.9836422876. The cubic root of 30271824 is about 311.6588974331.
It can be divided in two parts, 3027 and 1824, that added together give a triangular number (4851 = T98).
The spelling of 30271824 in words is "thirty million, two hundred seventy-one thousand, eight hundred twenty-four".
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