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2144135 = 5761261
BaseRepresentation
bin1000001011011110000111
311000221012102
420023132013
51022103020
6113542315
724140060
oct10133607
94027172
102144135
111234a14
1287499b
135a0c26
143db567
152c5475
hex20b787

2144135 has 8 divisors (see below), whose sum is σ = 2940576. Its totient is φ = 1470240.

The previous prime is 2144123. The next prime is 2144137. The reversal of 2144135 is 5314412.

2144135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2144135 - 214 = 2127751 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 (2144137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30596 + ... + 30665.

It is an arithmetic number, because the mean of its divisors is an integer number (367572).

22144135 is an apocalyptic number.

2144135 is a deficient number, since it is larger than the sum of its proper divisors (796441).

2144135 is an equidigital number, since it uses as much as digits as its factorization.

2144135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61273.

The product of its digits is 480, while the sum is 20.

The square root of 2144135 is about 1464.2865156792. The cubic root of 2144135 is about 128.9488209135.

Adding to 2144135 its reverse (5314412), we get a palindrome (7458547).

The spelling of 2144135 in words is "two million, one hundred forty-four thousand, one hundred thirty-five".

Divisors: 1 5 7 35 61261 306305 428827 2144135