Base | Representation |
---|---|
bin | 100111111011… |
… | …0100010010000 |
3 | 1110101111100010 |
4 | 1033312202100 |
5 | 20324322002 |
6 | 2024354520 |
7 | 342632301 |
oct | 117664220 |
9 | 43344303 |
10 | 20932752 |
11 | 108a80a5 |
12 | 7015a40 |
13 | 444bb59 |
14 | 2acc7a8 |
15 | 1c8746c |
hex | 13f6890 |
20932752 has 40 divisors (see below), whose sum is σ = 54505440. Its totient is φ = 6922240.
The previous prime is 20932679. The next prime is 20932753. The reversal of 20932752 is 25723902.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (20932753) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4624 + ... + 7952.
It is an arithmetic number, because the mean of its divisors is an integer number (1362636).
Almost surely, 220932752 is an apocalyptic number.
It is an amenable number.
20932752 is an abundant number, since it is smaller than the sum of its proper divisors (33572688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20932752 is a wasteful number, since it uses less digits than its factorization.
20932752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3471 (or 3465 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 30.
The square root of 20932752 is about 4575.2324531110. The cubic root of 20932752 is about 275.5976072756.
The spelling of 20932752 in words is "twenty million, nine hundred thirty-two thousand, seven hundred fifty-two".
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