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143043 = 347681
BaseRepresentation
bin100010111011000011
321021012220
4202323003
514034133
63022123
71134015
oct427303
9237186
10143043
119851a
126a943
1350154
143a1b5
152c5b3
hex22ec3

143043 has 4 divisors (see below), whose sum is σ = 190728. Its totient is φ = 95360.

The previous prime is 142993. The next prime is 143053. The reversal of 143043 is 340341.

143043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 143043 - 26 = 142979 is a prime.

It is a super-2 number, since 2×1430432 = 40922599698, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (143053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23838 + ... + 23843.

It is an arithmetic number, because the mean of its divisors is an integer number (47682).

2143043 is an apocalyptic number.

143043 is a deficient number, since it is larger than the sum of its proper divisors (47685).

143043 is an equidigital number, since it uses as much as digits as its factorization.

143043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47684.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 143043 is about 378.2102589830. The cubic root of 143043 is about 52.2984563034.

Adding to 143043 its reverse (340341), we get a palindrome (483384).

The spelling of 143043 in words is "one hundred forty-three thousand, forty-three", and thus it is an iban number.

Divisors: 1 3 47681 143043