Base | Representation |
---|---|
bin | 11000100111001… |
… | …01110001000100 |
3 | 112101111100122111 |
4 | 30103211301010 |
5 | 410323241040 |
6 | 32253110404 |
7 | 5054620042 |
oct | 1423456104 |
9 | 471440574 |
10 | 206462020 |
11 | a65a6a76 |
12 | 59188404 |
13 | 33a0a69b |
14 | 1d5c5392 |
15 | 131d3dea |
hex | c4e5c44 |
206462020 has 24 divisors (see below), whose sum is σ = 448522200. Its totient is φ = 79736832.
The previous prime is 206462017. The next prime is 206462027. The reversal of 206462020 is 20264602.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 15303744 + 191158276 = 3912^2 + 13826^2 .
It is a junction number, because it is equal to n+sod(n) for n = 206461982 and 206462000.
It is not an unprimeable number, because it can be changed into a prime (206462027) 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, 177405 + ... + 178564.
It is an arithmetic number, because the mean of its divisors is an integer number (18688425).
Almost surely, 2206462020 is an apocalyptic number.
206462020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
206462020 is an abundant number, since it is smaller than the sum of its proper divisors (242060180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206462020 is a wasteful number, since it uses less digits than its factorization.
206462020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 356007 (or 356005 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 206462020 is about 14368.7863092190. The cubic root of 206462020 is about 591.0352598583.
The spelling of 206462020 in words is "two hundred six million, four hundred sixty-two thousand, twenty".
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