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2148313 = 5034271
BaseRepresentation
bin1000001100011111011001
311001010221011
420030133121
51022221223
6114013521
724155206
oct10143731
94033834
102148313
111238072
128772a1
135a2abb
143dccad
152c680d
hex20c7d9

2148313 has 4 divisors (see below), whose sum is σ = 2153088. Its totient is φ = 2143540.

The previous prime is 2148301. The next prime is 2148329. The reversal of 2148313 is 3138412.

2148313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2148313 - 29 = 2147801 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2148343) 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 3 ways as a sum of consecutive naturals, for example, 1633 + ... + 2638.

It is an arithmetic number, because the mean of its divisors is an integer number (538272).

22148313 is an apocalyptic number.

It is an amenable number.

2148313 is a deficient number, since it is larger than the sum of its proper divisors (4775).

2148313 is an equidigital number, since it uses as much as digits as its factorization.

2148313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774.

The product of its digits is 576, while the sum is 22.

The square root of 2148313 is about 1465.7124547468. The cubic root of 2148313 is about 129.0325218966.

Subtracting 2148313 from its reverse (3138412), we obtain a palindrome (990099).

The spelling of 2148313 in words is "two million, one hundred forty-eight thousand, three hundred thirteen".

Divisors: 1 503 4271 2148313