Base | Representation |
---|---|
bin | 111001010000… |
… | …1111111010000 |
3 | 2002111100200101 |
4 | 1302201333100 |
5 | 30141224012 |
6 | 2551302144 |
7 | 513124312 |
oct | 162417720 |
9 | 62440611 |
10 | 30023632 |
11 | 15a47221 |
12 | a07a954 |
13 | 62b2982 |
14 | 3db77b2 |
15 | 2980d57 |
hex | 1ca1fd0 |
30023632 has 60 divisors (see below), whose sum is σ = 63649696. Its totient is φ = 13708800.
The previous prime is 30023627. The next prime is 30023633. The reversal of 30023632 is 23632003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30023633) 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 11 ways as a sum of consecutive naturals, for example, 198757 + ... + 198907.
Almost surely, 230023632 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 30023632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31824848).
30023632 is an abundant number, since it is smaller than the sum of its proper divisors (33626064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30023632 is a wasteful number, since it uses less digits than its factorization.
30023632 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 236 (or 213 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 19.
The square root of 30023632 is about 5479.3824469551. The cubic root of 30023632 is about 310.8048182019.
Adding to 30023632 its reverse (23632003), we get a palindrome (53655635).
It can be divided in two parts, 300 and 23632, that added together give a palindrome (23932).
The spelling of 30023632 in words is "thirty million, twenty-three thousand, six hundred thirty-two".
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