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2148213 = 34191709
BaseRepresentation
bin1000001100011101110101
311001010210110
420030131311
51022220323
6114013233
724155004
oct10143565
94033713
102148213
111237a91
12877219
135a2a42
143dcc3b
152c6793
hex20c775

2148213 has 8 divisors (see below), whose sum is σ = 2872800. Its totient is φ = 1427888.

The previous prime is 2148203. The next prime is 2148227. The reversal of 2148213 is 3128412.

2148213 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 a cyclic number.

It is not a de Polignac number, because 2148213 - 26 = 2148149 is a prime.

It is a super-2 number, since 2×21482132 = 9229638186738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2148213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148203) 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, 403 + ... + 2111.

It is an arithmetic number, because the mean of its divisors is an integer number (359100).

22148213 is an apocalyptic number.

It is an amenable number.

2148213 is a deficient number, since it is larger than the sum of its proper divisors (724587).

2148213 is a wasteful number, since it uses less digits than its factorization.

2148213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131.

The product of its digits is 384, while the sum is 21.

The square root of 2148213 is about 1465.6783412468. The cubic root of 2148213 is about 129.0305197904.

The spelling of 2148213 in words is "two million, one hundred forty-eight thousand, two hundred thirteen".

Divisors: 1 3 419 1257 1709 5127 716071 2148213