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2144841 = 3714947
BaseRepresentation
bin1000001011101001001001
311000222011120
420023221021
51022113331
6113545453
724142116
oct10135111
94028146
102144841
1112354a6
12875289
135a134a
143db90d
152c5796
hex20ba49

2144841 has 4 divisors (see below), whose sum is σ = 2859792. Its totient is φ = 1429892.

The previous prime is 2144837. The next prime is 2144843. The reversal of 2144841 is 1484412.

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.

It is a cyclic number.

It is not a de Polignac number, because 2144841 - 22 = 2144837 is a prime.

It is a D-number.

It is a Curzon number.

2144841 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2144843) 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, 357471 + ... + 357476.

It is an arithmetic number, because the mean of its divisors is an integer number (714948).

22144841 is an apocalyptic number.

It is an amenable number.

2144841 is a deficient number, since it is larger than the sum of its proper divisors (714951).

2144841 is an equidigital number, since it uses as much as digits as its factorization.

2144841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714950.

The product of its digits is 1024, while the sum is 24.

The square root of 2144841 is about 1464.5275688767. The cubic root of 2144841 is about 128.9629723666.

The spelling of 2144841 in words is "two million, one hundred forty-four thousand, eight hundred forty-one".

Divisors: 1 3 714947 2144841