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252143 is a prime number
BaseRepresentation
bin111101100011101111
3110210212122
4331203233
531032033
65223155
72100053
oct754357
9423778
10252143
11162491
12101abb
138a9c8
1467c63
154ea98
hex3d8ef

252143 has 2 divisors, whose sum is σ = 252144. Its totient is φ = 252142.

The previous prime is 252139. The next prime is 252151. The reversal of 252143 is 341252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252143 - 22 = 252139 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252163) 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, 126071 + 126072.

It is an arithmetic number, because the mean of its divisors is an integer number (126072).

2252143 is an apocalyptic number.

252143 is a deficient number, since it is larger than the sum of its proper divisors (1).

252143 is an equidigital number, since it uses as much as digits as its factorization.

252143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 17.

The square root of 252143 is about 502.1384271294. The cubic root of 252143 is about 63.1755413288.

Adding to 252143 its reverse (341252), we get a palindrome (593395).

The spelling of 252143 in words is "two hundred fifty-two thousand, one hundred forty-three".