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2841001 = 6742403
BaseRepresentation
bin1010110101100110101001
312100100010021
422311212221
51211403001
6140520441
733101542
oct12654651
95310107
102841001
111670539
12b50121
13786187
1453d4c9
153b1ba1
hex2b59a9

2841001 has 4 divisors (see below), whose sum is σ = 2883472. Its totient is φ = 2798532.

The previous prime is 2840987. The next prime is 2841011. The reversal of 2841001 is 1001482.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1001482 = 2500741.

It is a cyclic number.

It is not a de Polignac number, because 2841001 - 221 = 743849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2841011) 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, 21135 + ... + 21268.

It is an arithmetic number, because the mean of its divisors is an integer number (720868).

22841001 is an apocalyptic number.

It is an amenable number.

2841001 is a deficient number, since it is larger than the sum of its proper divisors (42471).

2841001 is an equidigital number, since it uses as much as digits as its factorization.

2841001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42470.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2841001 is about 1685.5269205800. The cubic root of 2841001 is about 141.6306110472.

Adding to 2841001 its reverse (1001482), we get a palindrome (3842483).

The spelling of 2841001 in words is "two million, eight hundred forty-one thousand, one".

Divisors: 1 67 42403 2841001