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12052303 = 17708959
BaseRepresentation
bin101101111110…
…011101001111
3211200022122121
4231332131033
511041133203
61110153411
7204304624
oct55763517
924608577
1012052303
11689208a
124052867
13265ca53
14185a34b
1510d10bd
hexb7e74f

12052303 has 4 divisors (see below), whose sum is σ = 12761280. Its totient is φ = 11343328.

The previous prime is 12052297. The next prime is 12052307. The reversal of 12052303 is 30325021.

Adding to 12052303 its reverse (30325021), we get a palindrome (42377324).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30325021 = 157193153.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12052303 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 (12052307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354463 + ... + 354496.

It is an arithmetic number, because the mean of its divisors is an integer number (3190320).

Almost surely, 212052303 is an apocalyptic number.

12052303 is a deficient number, since it is larger than the sum of its proper divisors (708977).

12052303 is an equidigital number, since it uses as much as digits as its factorization.

12052303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708976.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 12052303 is about 3471.6426947484. The cubic root of 12052303 is about 229.2749885849.

The spelling of 12052303 in words is "twelve million, fifty-two thousand, three hundred three".

Divisors: 1 17 708959 12052303