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2190383 = 13168491
BaseRepresentation
bin1000010110110000101111
311010021122022
420112300233
51030043013
6114540355
724421646
oct10266057
94107568
102190383
111266738
128976bb
135b8cb0
1441035d
152d4008
hex216c2f

2190383 has 4 divisors (see below), whose sum is σ = 2358888. Its totient is φ = 2021880.

The previous prime is 2190371. The next prime is 2190389. The reversal of 2190383 is 3830912.

2190383 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.

It is a cyclic number.

It is not a de Polignac number, because 2190383 - 212 = 2186287 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 (2190389) 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, 84233 + ... + 84258.

It is an arithmetic number, because the mean of its divisors is an integer number (589722).

22190383 is an apocalyptic number.

2190383 is a deficient number, since it is larger than the sum of its proper divisors (168505).

2190383 is a wasteful number, since it uses less digits than its factorization.

2190383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168504.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2190383 is about 1479.9942567456. The cubic root of 2190383 is about 129.8693559321.

The spelling of 2190383 in words is "two million, one hundred ninety thousand, three hundred eighty-three".

Divisors: 1 13 168491 2190383