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206714531 is a prime number
BaseRepresentation
bin11000101001000…
…11011010100011
3112101222012000202
430110203122203
5410404331111
632302335415
75060021162
oct1424433243
9471865022
10206714531
11a6759761
125928a56b
1333a985ba
141d64d3d9
1513233b3b
hexc5236a3

206714531 has 2 divisors, whose sum is σ = 206714532. Its totient is φ = 206714530.

The previous prime is 206714527. The next prime is 206714537. The reversal of 206714531 is 135417602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206714531 - 22 = 206714527 is a prime.

It is a super-2 number, since 2×2067145312 = 85461794653099922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 206714494 and 206714503.

It is not a weakly prime, because it can be changed into another prime (206714537) 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, 103357265 + 103357266.

It is an arithmetic number, because the mean of its divisors is an integer number (103357266).

Almost surely, 2206714531 is an apocalyptic number.

206714531 is a deficient number, since it is larger than the sum of its proper divisors (1).

206714531 is an equidigital number, since it uses as much as digits as its factorization.

206714531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 206714531 is about 14377.5704136686. The cubic root of 206714531 is about 591.2761146533.

The spelling of 206714531 in words is "two hundred six million, seven hundred fourteen thousand, five hundred thirty-one".