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2148413 = 13271619
BaseRepresentation
bin1000001100100000111101
311001011001212
420030200331
51022222123
6114014205
724155411
oct10144075
94034055
102148413
111238153
12877365
135a2b67
143dcd41
152c6878
hex20c83d

2148413 has 4 divisors (see below), whose sum is σ = 2151360. Its totient is φ = 2145468.

The previous prime is 2148403. The next prime is 2148437. The reversal of 2148413 is 3148412.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2148413 - 24 = 2148397 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 (2148403) 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, 518 + ... + 2136.

It is an arithmetic number, because the mean of its divisors is an integer number (537840).

22148413 is an apocalyptic number.

It is an amenable number.

2148413 is a deficient number, since it is larger than the sum of its proper divisors (2947).

2148413 is a wasteful number, since it uses less digits than its factorization.

2148413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946.

The product of its digits is 768, while the sum is 23.

The square root of 2148413 is about 1465.7465674529. The cubic root of 2148413 is about 129.0345239407.

Subtracting 2148413 from its reverse (3148412), we obtain a palindrome (999999).

The spelling of 2148413 in words is "two million, one hundred forty-eight thousand, four hundred thirteen".

Divisors: 1 1327 1619 2148413