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3143243 is a prime number
BaseRepresentation
bin1011111111011001001011
312220200201102
423333121023
51301040433
6151212015
735500655
oct13773113
95820642
103143243
111857624
12107700b
1386090c
145bb6d5
154214e8
hex2ff64b

3143243 has 2 divisors, whose sum is σ = 3143244. Its totient is φ = 3143242.

The previous prime is 3143209. The next prime is 3143263. The reversal of 3143243 is 3423413.

It is an a-pointer prime, because the next prime (3143263) can be obtained adding 3143243 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3143243 - 28 = 3142987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3143263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571621 + 1571622.

It is an arithmetic number, because the mean of its divisors is an integer number (1571622).

Almost surely, 23143243 is an apocalyptic number.

3143243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143243 is an equidigital number, since it uses as much as digits as its factorization.

3143243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 20.

The square root of 3143243 is about 1772.9193439071. The cubic root of 3143243 is about 146.4848303240.

Adding to 3143243 its reverse (3423413), we get a palindrome (6566656).

The spelling of 3143243 in words is "three million, one hundred forty-three thousand, two hundred forty-three".