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205652071 is a prime number
BaseRepresentation
bin11000100001000…
…00000001100111
3112022222012121101
430100200001213
5410121331241
632223500531
75045004502
oct1420400147
9468865541
10205652071
11a60a3499
1258a57747
13337b5b21
141d454139
15130c3e31
hexc420067

205652071 has 2 divisors, whose sum is σ = 205652072. Its totient is φ = 205652070.

The previous prime is 205652017. The next prime is 205652093. The reversal of 205652071 is 170256502.

Together with previous prime (205652017) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205652071 - 29 = 205651559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205652471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102826035 + 102826036.

It is an arithmetic number, because the mean of its divisors is an integer number (102826036).

Almost surely, 2205652071 is an apocalyptic number.

205652071 is a deficient number, since it is larger than the sum of its proper divisors (1).

205652071 is an equidigital number, since it uses as much as digits as its factorization.

205652071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 205652071 is about 14340.5742911503. The cubic root of 205652071 is about 590.2613713154.

The spelling of 205652071 in words is "two hundred five million, six hundred fifty-two thousand, seventy-one".