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2843142 = 23473857
BaseRepresentation
bin1010110110001000000110
312100110001120
422312020012
51211440032
6140534410
733111021
oct12661006
95313046
102843142
111672105
12b51406
13787143
145401b8
153b262c
hex2b6206

2843142 has 8 divisors (see below), whose sum is σ = 5686296. Its totient is φ = 947712.

The previous prime is 2843119. The next prime is 2843143. The reversal of 2843142 is 2413482.

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

2843142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2843143) 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, 236923 + ... + 236934.

It is an arithmetic number, because the mean of its divisors is an integer number (710787).

22843142 is an apocalyptic number.

2843142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2843142 is a wasteful number, since it uses less digits than its factorization.

2843142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473862.

The product of its digits is 1536, while the sum is 24.

The square root of 2843142 is about 1686.1619139335. The cubic root of 2843142 is about 141.6661800829. Note that the first 3 decimals are identical.

The spelling of 2843142 in words is "two million, eight hundred forty-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 473857 947714 1421571 2843142