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2943143 = 7537933
BaseRepresentation
bin1011001110100010100111
312112112020022
423032202213
51223140033
6143025355
734005410
oct13164247
95475208
102943143
111730255
12b9b25b
137c0808
14568807
153d2098
hex2ce8a7

2943143 has 8 divisors (see below), whose sum is σ = 3427488. Its totient is φ = 2474784.

The previous prime is 2943137. The next prime is 2943167. The reversal of 2943143 is 3413492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2943143 - 26 = 2943079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3596 + ... + 4337.

It is an arithmetic number, because the mean of its divisors is an integer number (428436).

22943143 is an apocalyptic number.

2943143 is a deficient number, since it is larger than the sum of its proper divisors (484345).

2943143 is an equidigital number, since it uses as much as digits as its factorization.

2943143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7993.

The product of its digits is 2592, while the sum is 26.

The square root of 2943143 is about 1715.5590925410. The cubic root of 2943143 is about 143.3080064619.

The spelling of 2943143 in words is "two million, nine hundred forty-three thousand, one hundred forty-three".

Divisors: 1 7 53 371 7933 55531 420449 2943143