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2942443 = 7420349
BaseRepresentation
bin1011001110010111101011
312112111021101
423032113223
51223124233
6143022231
734003360
oct13162753
95474241
102942443
11172a779
12b9a977
137c03ba
14568467
153d1c7d
hex2ce5eb

2942443 has 4 divisors (see below), whose sum is σ = 3362800. Its totient is φ = 2522088.

The previous prime is 2942441. The next prime is 2942449. The reversal of 2942443 is 3442492.

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 2942443 - 21 = 2942441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2942441) 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, 210168 + ... + 210181.

It is an arithmetic number, because the mean of its divisors is an integer number (840700).

22942443 is an apocalyptic number.

2942443 is a deficient number, since it is larger than the sum of its proper divisors (420357).

2942443 is an equidigital number, since it uses as much as digits as its factorization.

2942443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420356.

The product of its digits is 6912, while the sum is 28.

The square root of 2942443 is about 1715.3550652853. The cubic root of 2942443 is about 143.2966440557.

The spelling of 2942443 in words is "two million, nine hundred forty-two thousand, four hundred forty-three".

Divisors: 1 7 420349 2942443