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20283061 is a prime number
BaseRepresentation
bin100110101011…
…1111010110101
31102011111010111
41031113322311
520143024221
62002423021
7334255201
oct115277265
942144114
1020283061
11104a3a67
126961a71
134282216
14299db01
151ba9be1
hex1357eb5

20283061 has 2 divisors, whose sum is σ = 20283062. Its totient is φ = 20283060.

The previous prime is 20283037. The next prime is 20283071. The reversal of 20283061 is 16038202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20196036 + 87025 = 4494^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 20283061 - 211 = 20281013 is a prime.

It is a super-2 number, since 2×202830612 = 822805127059442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20283071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10141530 + 10141531.

It is an arithmetic number, because the mean of its divisors is an integer number (10141531).

Almost surely, 220283061 is an apocalyptic number.

It is an amenable number.

20283061 is a deficient number, since it is larger than the sum of its proper divisors (1).

20283061 is an equidigital number, since it uses as much as digits as its factorization.

20283061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 20283061 is about 4503.6719463123. The cubic root of 20283061 is about 272.7163436395.

The spelling of 20283061 in words is "twenty million, two hundred eighty-three thousand, sixty-one".