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206424461 is a prime number
BaseRepresentation
bin11000100110111…
…00100110001101
3112101102110010102
430103130212031
5410321040321
632252220445
75054402405
oct1423344615
9471373112
10206424461
11a6580831
125916a725
13339c6569
141d5b5805
15131c7c0b
hexc4dc98d

206424461 has 2 divisors, whose sum is σ = 206424462. Its totient is φ = 206424460.

The previous prime is 206424457. The next prime is 206424469. The reversal of 206424461 is 164424602.

It is a happy number.

206424461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195468361 + 10956100 = 13981^2 + 3310^2 .

It is a cyclic number.

It is not a de Polignac number, because 206424461 - 22 = 206424457 is a prime.

It is a super-2 number, since 2×2064244612 = 85222116198281042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206424469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103212230 + 103212231.

It is an arithmetic number, because the mean of its divisors is an integer number (103212231).

Almost surely, 2206424461 is an apocalyptic number.

It is an amenable number.

206424461 is a deficient number, since it is larger than the sum of its proper divisors (1).

206424461 is an equidigital number, since it uses as much as digits as its factorization.

206424461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 206424461 is about 14367.4792848293. The cubic root of 206424461 is about 590.9994178511. Note that the first 3 decimals are identical.

The spelling of 206424461 in words is "two hundred six million, four hundred twenty-four thousand, four hundred sixty-one".