Base | Representation |
---|---|
bin | 100111001010… |
… | …1101011100000 |
3 | 1102122100010210 |
4 | 1032111223200 |
5 | 20224123112 |
6 | 2012054120 |
7 | 336360546 |
oct | 116255340 |
9 | 42570123 |
10 | 20536032 |
11 | 10657030 |
12 | 6a64340 |
13 | 43403ca |
14 | 2a27d96 |
15 | 1c09b3c |
hex | 1395ae0 |
20536032 has 48 divisors (see below), whose sum is σ = 58810752. Its totient is φ = 6222720.
The previous prime is 20536013. The next prime is 20536057. The reversal of 20536032 is 23063502.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×205360322 = 843457220610048, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8668 + ... + 10779.
It is an arithmetic number, because the mean of its divisors is an integer number (1225224).
Almost surely, 220536032 is an apocalyptic number.
20536032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20536032 is an abundant number, since it is smaller than the sum of its proper divisors (38274720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20536032 is a wasteful number, since it uses less digits than its factorization.
20536032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19471 (or 19463 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 20536032 is about 4531.6698908901. The cubic root of 20536032 is about 273.8454382522.
Adding to 20536032 its reverse (23063502), we get a palindrome (43599534).
The spelling of 20536032 in words is "twenty million, five hundred thirty-six thousand, thirty-two".
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