Base | Representation |
---|---|
bin | 100111010001… |
… | …0110111010000 |
3 | 1102202002012210 |
4 | 1032202313100 |
5 | 20232340112 |
6 | 2013152120 |
7 | 340004151 |
oct | 116426720 |
9 | 42662183 |
10 | 20590032 |
11 | 10693661 |
12 | 6a8b640 |
13 | 435bb68 |
14 | 2a3d928 |
15 | 1c1ab3c |
hex | 13a2dd0 |
20590032 has 40 divisors (see below), whose sum is σ = 53434080. Its totient is φ = 6832000.
The previous prime is 20590027. The next prime is 20590033. The reversal of 20590032 is 23009502.
It is a super-2 number, since 2×205900322 = 847898835522048, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20589990 and 20590008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20590033) 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, 11194 + ... + 12902.
It is an arithmetic number, because the mean of its divisors is an integer number (1335852).
Almost surely, 220590032 is an apocalyptic number.
It is an amenable number.
20590032 is an abundant number, since it is smaller than the sum of its proper divisors (32844048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20590032 is a wasteful number, since it uses less digits than its factorization.
20590032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1971 (or 1965 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 21.
The square root of 20590032 is about 4537.6240478911. The cubic root of 20590032 is about 274.0852559389.
Adding to 20590032 its reverse (23009502), we get a palindrome (43599534).
The spelling of 20590032 in words is "twenty million, five hundred ninety thousand, thirty-two".
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