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206452231 is a prime number
BaseRepresentation
bin11000100111000…
…11011000000111
3112101110212012221
430103203120013
5410322432411
632252553211
75054546356
oct1423433007
9471425187
10206452231
11a659a687
1259182807
1333a060ab
141d5c199d
15131d1071
hexc4e3607

206452231 has 2 divisors, whose sum is σ = 206452232. Its totient is φ = 206452230.

The previous prime is 206452217. The next prime is 206452237. The reversal of 206452231 is 132254602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206452231 - 29 = 206451719 is a prime.

It is a super-2 number, since 2×2064522312 = 85245047369754722, which contains 22 as substring.

It is equal to p11416282 and since 206452231 and 11416282 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 206452196 and 206452205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206452237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103226115 + 103226116.

It is an arithmetic number, because the mean of its divisors is an integer number (103226116).

Almost surely, 2206452231 is an apocalyptic number.

206452231 is a deficient number, since it is larger than the sum of its proper divisors (1).

206452231 is an equidigital number, since it uses as much as digits as its factorization.

206452231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 206452231 is about 14368.4456709833. The cubic root of 206452231 is about 591.0259187769.

The spelling of 206452231 in words is "two hundred six million, four hundred fifty-two thousand, two hundred thirty-one".